The percentage of having tall pea plants in the offspring is about 75%
A person who has two copies of the allele that codes for the dominant characteristic is said to be homozygous-dominant for that trait. This allele, which is sometimes referred to as the "dominant allele," is typically denoted by the uppercase version of the letter used for the associated recessive characteristic (such as "P" for the dominant allele producing purple flowers in pea plants). An organism's genotype is symbolized by a doubling of the trait's symbol, such as "PP," when it is homozygously dominant for that trait.
Refers to a trait that can only be seen in homozygous individuals; it is a trait that is often hidden by other inherited qualities but persists in populations of heterozygous individuals.
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helix-turn-helix and zinc fingers are secondary structural motifs in dna and rna, respectively. true or false
In DNA and RNA, respectively, helix-turn-helix and zn fingers constitute secondary structural motifs. FALSE.
What is the main function of RNA?Translation is the main mechanism by which RNA makes proteins. Genetic information is transmitted by RNA and decoded by ribosomes into a range of proteins needed for biological processes. rna, trna, and tRNA are the three main RNA varieties involved in the production of proteins.
What exactly is RNA, in simple terms?Ribonucleic acid, sometimes known as RNA, is a nucleic acid that is present in all living cells and has characteristics similar to those of DNA. However, unlike DNA, RNA frequently has a single strand. The backbone of a Rna is composed of alternating hydrophilic groups and the sugar ribose, as opposed to the deoxyribose found in DNA.
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What can be known about Mendel's?
Mendel's five-part hypothesis includes his inheritance laws, and is based on research into genetics and how chromosomes are passed on from generation to generation. The laws of heredity dictate that a gene consists of two alleles of his.
Gregor Mendel discovered the basic laws of heredity through the study of peas. He concluded that genes come in pairs and are inherited as separate entities, one from each parent. Mendel traced the segregation of parental genes and their appearance in offspring as dominant or recessive traits.
Mendel's five-part hypothesis is an answer to a scientific question and is largely based on his research. It identifies his three alleles for each gene, which is the answer to scientific questions and is based on published genetics.
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PLEASEEEEEEE HELP GUYS THIS MY FIRST BTOLOGY CLASS! 3
The equation of line when a line passes through a point (-2, 6) and have slope 4, is y = 4x + 14
What is a slope?In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction
Given:
Slope m = 4
And point (-2, 6)
If a line passes through a point (x₁ ,y₁) and have slope m
then the equation of line is
y - y₁ = m (x - x₁)
Substituting the values,
y - 6 = 4(x + 2)
Simplifying,
y = 4x + 14
Therefore, the equation is y = 4x + 14.
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Jack has a condition where mucus builds up in his lungs. This makes it more difficult for gas exchange to take place. Which two organ systems are primarily affected by this?
A. Nervous and musculoskeletal
B. Respiratory and reproductive
C. Circulatory and respiratory
D. Circulatory and digestive
Please help <3 thx
Answer: C Btw quick tip this should go in health catagory
Explanation: the extra mucus that builds up in the trachea slows down breathing rates making it hard to breathe. It also slows down heart rates without the normal air you need he will feel weak and be mainly affected by his lungs and heart. If it gets to bad the heart will have to little air and have a mass carbon build up causing death. Pls give me brainliest :D
Answer:
The answer is C Circulatory and respiratory
Explanation:
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Could both the food competition hypothesis and the sexual competition hypothesis explain why giraffes have long necks
Yes, both the food competition hypothesis and the sexual competition hypothesis explain why giraffes have long necks because long necks could be beneficial for more than reason.
The giraffe's neck, which can extend up to two meters in length, was chosen since no other animal can access the topmost leaves of the trees because of its unique ability to do so. Therefore, this adaption was created to prevent the animal from competing with other animals for food. According to Simmons and Sheepers' sexual selection theory, giraffes' tall necks are the result of competition for mates. It explains that long necks are caused via intersexual competitions in which the neck is used as a weapon.
According to the Darwinian theory of evolution, some giraffes developed longer necks than others due to random variation. They were able to reach leaves far up in the trees in their surroundings because of their lengthy necks.
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What 4 factors do organisms need to survive?
Organisms need 4 basic factors to survive which include air, water, food and shelter.
All living organisms on the Earth are dependent on the environment to suffice their basic needs. Their basic needs are fulfilled by the habitat in which they are living. Habitat is basically defined as the environment in which a particular organism is living and surviving. Their habitat provides the air, water, food and shelter which are the four basic factors which an organism needs to survive.
Food or nutrition is required by an organism in order to grow and get energy. An organism also needs air to survive, for example, animals need oxygen for breathing. Water is another major resource which is vital for survival and shelter is needed by an organism for living in a particular area.
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why does the fluid accumulate in our legs and when we sit for a long period of time.
Answer: Gravity: If you spend a lot of time sitting or standing in one place for too long, water naturally pulls down into your arms, legs and feet
17. Brown eye color is dominant; blue eye color is recessive. If a brown-
eyed man marries a blue-eyed woman and they have a brown-eyed son and a
blue-eyed daughter, we can safely conclude that:
(a) the man is not the true father (b) the man is heterozygous
(c) eye color is sex-linked (d) the man has the genotype for blue
eyes but the phenotype for brown eyes.
Answer:
B
Explanation:
If the daughter has blue eyes that means the father is not completely dominant and their offspring has the ability to be blue eyed
Arrange the following terms into the order in which a compound must pass through to move from plasma to CSF: -capillary endothelium
-pericyte
-astrocyte
-extracellular matrix
When a compound passes from the plasma to the CSF, it first goes through the extracellular matrix, then the astrocytes, then pericytes, then the capillary endothelium and finally to the CSF.
Cerebrospinal fluid or the CSF is a clear and colorless fluid which is found in the tissues which are present around the brain and the spinal cord. The blood brain barrier or the BBB is the network which consists of tissues and blood vessels which perform the function of keeping the harmful substances away from the brain.
When a particular compound passes from the plasma to CSF, it first has to pass through the extracellular matrix of the ECM. From the ECM, it goes to the astrocytes and then to the pericytes. The compound then passes to the capillary endothelium from where it finally reaches the CSF.
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What are “clean” or “green jobs”?
Answer: I think clean jobs mean one job that doesn't harm the environment, and green jobs are doing work for the enviroment, making the earth look more "green"
Explanation: hope it helped :)
An organism with a haploid number of 10 will produce ________ combinations of chromosomes at the end of meiosis.
An organism with a haploid number of 10 will produce 1024 combinations of chromosomes at the end of meiosis.
As a consequence, the number of haploid chromosomes is = 10/2= 5. The number of possible chromosomal pairings equals 2n, where n is the number of haploid chromosomes. So, with 10 diploid chromosomes, the number of chromosomal pairs is 25. As a consequence, '25' is the correct answer.
The number of chromosomes reduces from 46 (23 pairs) to 23 during meiosis. Because chromosomes are randomly divided into gametes during meiosis I, each gamete has a distinct set of chromosomes (and alleles).
Because of its 23 pairs of chromosomes, a human gamete has around 8 million potential chromosomal combinations (223).
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help me! for biology and noooo links
Answer:
Exponentional Growth
Explanation:
I did the same thing!!!
Answer:
the correct answer is exponential growth
Which body system is correctly paired with its function?
Answer:
Circularity-transports material for energy release in body cells
help me please and nooooo linkssss
Answer:
removing corn from the food web will have the biggest impact because it is a producer and if it is removed then those primary consumers will not get food.
Explanation:
Absorption spectroscopy is a technique used to determine the composition of a substance. Each substance tends to behave consistently in terms of which types of radiation it absorbs. When a material absorbs a unique set of different colors of visible light, the characteristic set of color bands observed through a spectroscope is the material's spectrum. The spectra of two stars are shown below.
Modified image courtesy of NASA
Star 1 is a nearby star and star 2 is a similar type star much further away from Earth. When comparing the spectra, the lines in the spectra for star 2 are closer to the red end of the light spectrum. This is called red shift.
From this type of information, scientist believe that most stars in the universe are moving away from each other and from the Earth. How can redshift be used as evidence to support the Big Bang theory?
A.
It provides evidence that some stars remain motionless while others move rapidly, showing that the universe is expanding in very few areas.
B.
It provides evidence that some stars are pulled toward a point source, and some move away from a point source, showing the universe may be contracting.
C.
It provides evidence that stars are moving away from a single point of origin, showing that the universe is expanding.
D.
It provides evidence that stars are moving closer to a single point of origin, showing that the universe is contracting.
Answer:
It provides evidence that stars are moving away from a single point of origin, showing that the universe is expanding.
Explanation:
Neurons have two ends. Nerve impulses travel from the end of one neuron to the beginning of another. What terms are used for these ends?
The place where the one ending of the neuron that is the axon of one neuron meets the dendrite of another neuron is called a synapse. Synapses are also found between the neurons and other types of cells, such as muscle cells in the body.
What is Synapse?Neurons are the fundamental units of the brain and nervous system in the higher vertebrates, the cells which are responsible for receiving sensory input from the external world, for sending motor commands to the muscles, and for transforming and relaying the electrical signals at every step.
The synapse is the small pocket of space between two nerve cells, where they can pass messages or signals to communicate. A single neuron may contain thousands of synapses within it. In fact, one type of neuron called the Purkinje cell, found in the brain's cerebellum, may have as many as about one hundred thousand synapses.
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Many scientists claim that the synthesis of the first organic molecules from inorganic precursors was possible because of the highly reducing atmosphere found on primitive Earth. Which of the following is an appropriate null hypothesis that could be used when investigating the claim
An appropriate null hypothesis that might be used to test the claim is that the synthesis of organic molecules from inorganic molecules is conceivable both at the levels of atmospheric oxygen present today and on early Earth.
When investigating the possibility that life may have started on the planet, it is vital to take into account the concept that organic molecules can be created from inorganic ones both under conditions of current atmospheric oxygen levels and those present on primitive Earth.
In order to more thoroughly investigate the potential of life's genesis on Earth, this null hypothesis offers evidence that organic molecules can arise without the presence of life.
We can learn more about the many chemical processes and reactions used to create organic molecules by looking at them.
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Use the information below to answer the question.
Frequency Frequency Class data Frequency North America
Dominant Allele 0.68 0.41
Recessive Allele 0.32 0.59
What frequency of the class are non-tasters?
Round to the nearest hundredth. Keep answer as a decimal.
Non-PTC tasters in class data:
NO FAKE ANSWERS, PLEASE RESPOND ASAP WILL GIVE BRAINLIEST
Answer:
what do the numbers mean?
Explanation:
Answer:
Its 0.10
Explanation:
I just took the assignment
Please helppp me its due tomorrow’s ‼️‼️ ☹️☹️
I only need help with g. It’s the last one
Thank youuu sooo muchhh
the answer to your question is yes
What are the types of mutation and examples?
A mutation is a change in the DNA of an organism, virus, or extrachromosomal cell's nucleic acid sequence. DNA or RNA may be present in the viral genome.
Mutations may be caused by mistakes in DNA replication, viral replication, mitosis, meiosis, or other types of DNA damage (such as pyrimidine dimers from ultraviolet radiation exposure). Damaged DNA may then experience error-prone repair, notably microhomology mediated end joining, or it may result in a replication mistake or an error during another kind of repair (translation synthesis). Mutations can also be caused by the insertion or deletion of a DNA sequence due to mobile genetic elements.
A mutation may or may not have an impact on the phenotype the observable characteristics of an organism. The part that mutations play in both healthy and biological processes that cause disease, including as cancer, evolution, and the maturation of the immune system, including junctional diversity. Mutation is the source of all genetic variation, and it also serves as the rationale for the operation of evolutionary forces like natural selection.
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Which of the following is not a type of adaptation? *
Specialized Adaptation
Biological Adaptation
Behavioral Adaptation
Structural Adaptation
Answer:
Specialized Adaptation
Explanation:
Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral.
A female lab that is heterozygous with curly hair is bred with a male lab that is homozygous for straight hair. Curly hair (H) is dominant over straight hair (h). What are the percentages of the offspring genotypes?
The parents are heterozygous for the gene that causes curly hair. As a result, their offspring will have a 50% chance of receiving the curly hair gene and a 50% chance of acquiring the straight hair gene.
If one parent has curly hair and the other has straight hair, each child will receive one allele from both parents. All of the children will have wavy hair.
Because the straight gene is dominant and present on the X chromosome, the chance of curly hair for the first kid is 50%. Option (D) one in two is the right answer. The alleles for curly hair and straight hair are instances of codominant alleles for a phenotype.
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A population of beetles eats only red flowers. Most of the beetles are red but a few of them are yellow. The red beetles are hidden from hungry, beetle-eating birds. The beetles eat up all of the red flowers and now there are only yellow flowers left. What would you expect to happen to the traits of the beetle population over time? Provide evidence to support your answer.
HELP PLEASE
There would be more yellow beetles cause now theirs only yellow flowers
Gradualism happen to the traits of the beetle population over time, The beetles eat up all the red flowers and now there are only yellow flowers left.
What happened to the traits of the beetle?Only red blossoms are eaten by a population of beetles. A few of the beetles are yellow, but the majority are red. In order to avoid being eaten by vultures, the red beetles remain hidden. There are no longer any red blossoms since the bugs have devoured them all.
A field with red flowers is home to a population of beetles. Inside the blossoms, the beetles reside. The insects are typically red as well, though occasionally you may see a yellow bug. Variation is the term for when a quality manifests itself in diverse ways, such as the various colors of beetles.
Therefore, gradualism happen to the traits of the beetle.
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The cardiac muscle receives its supply of oxygenated blood by which of the following mechanisms?
A. Coronary veins that branch off the pulmonary vein
B. The cardiac conduction system
C. The carotid and femoral arteries
D. Coronary arteries that branch off the aorta
The cardiac muscle receives its supply of oxygenated blood by D.) coronary arteries that branch off the aorta.
How does cardiac muscles receives its supply of oxygenated blood?The cardiac muscle receives its supply of oxygenated blood by the coronary arteries that branch off of the aorta.
Coronary arteries supply blood to heart muscles. Like all other tissues in body, the heart muscle needs oxygen-rich blood to function. And, oxygen-depleted blood must be carried away. Coronary arteries wrap around the outside of heart.
4 main coronary arteries are the right coronary artery, left main coronary, left anterior descending and the left circumflex artery.
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A
1
2
B
3
C
Circle A includes items that are red, hot, and round.
Circle B includes items that are red, cold, and
square. Circle C includes items that are purple, hot,
and square.
In which area of the Venn diagram above would you
write the word red?
O A. a
OB. 2
O C. 3
O D. 1
Answer:a
a
Explanation:
When is the best time to clean your boat to stop the spread of aquatic nuisance species?
The best time to clean your boat to stop the spread of aquatic nuisance species is during every time you leave the water.
Guidelines for Halting the Spread of Aquatic Pest Species
Avoid using your boat's propeller to cut down any vegetation.Before leaving any body of water, clear the boat, propeller, anchor, lines, and trailer of any visible aquatic vegetation.Before leaving the site, empty the bait buckets and live wells into appropriate containers.Waterborne Nuisance Species are species that negatively affect aquatic environments or activities that rely on them, including aquaculture, agriculture, or recreation. Zebra mussels, quagga mussels , and hydrilla are just a few of the aquatic invasive species that frequently travel between rivers aboard boats and trailers. These creatures multiply when introduced into new waters, displacing local species and harming the water supply.
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What is the answer please???? No links or I will report!!!!
Corn seeds with identical genetic information were planted on two adjacent farms. The corn plants on one farm were well fertilized and grew large, while the plants on the other farm were not given fertilizer and did not grow as large. The best explanation for these observations is that
The best explanation for these discernments is that environmental conditions impact quality verbalization.
The vitally immediate reason for biodiversity misfortune is land use change (fundamentally for enormous scope food creation) which drives an expected 30% of biodiversity decline all around the world. Second is overexploitation (overfishing, overhunting, and overharvesting) for things like food, prescriptions, and lumber which cruises all over 20%.
The zygote contains all the data fundamental for the development, improvement, and inevitable multiplication of the organic entity. Human sexual multiplication happens in fundamentally the same as way to other physically replicating creatures.
Corn portions are the products of corn (called maize in numerous nations). Maize is a grain, and the portions are utilized in cooking as a vegetable or a wellspring of starch. The portion involves endosperm, microorganisms, pericarp, and tip cap.
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A blood vessel adapted to withstand a high pulse pressure would be expected to have which of the following
An expected characteristic of a blood vessel designed to withstand a high pulse pressure is elastic tunica media. Histamine is most likely to result in a sharp drop in blood pressure.
Which of the following categories of blood vessels has a high blood pressure that pulses?Due to their direct connection to the heart's ventricle, the blood pressure is highest in the large arteries (like the aorta). There is a decrease in blood pressure as the blood vessel splits from the small arteries and into the arterioles.
Blood pressure can rise even more as a result of stress-related behaviours like eating more, smoking, or drinking. certain long-term conditions. High blood pressure can result from a number of illnesses, including kidney disease, diabetes, and sleep apnea.
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The toxic condition caused by excessive amount of urea and other waste products in the bloodstream is known as
Uremia is a toxic accumulation in the blood. It happens when your kidneys quit filtering poisons out of your urine. Uremia is frequently associated with end-stage renal (kidney) illness.
Azotemia and uremia are two forms of renal diseases. When there is nitrogen in your blood, you have azotemia. Uremia is caused by the presence of urea in the blood. They are, however, both linked to renal illness or damage.
Uremia develops when your kidneys are injured. Toxins, or body waste, that your kidneys ordinarily excrete in urine end up in your circulation. These poisons are referred to as creatinine and urea. Uremia is a dangerous illness that, if left untreated, can be fatal.
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