One job of the kidneys is to

1 answer:

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The best and most correct answer among the choices provided by the question is the first choice "regulate the pH of the blood"

The kidneys are two bean-shaped organs, each about the size of a fist. They are located just below the rib cage, one on each side of the spine. Every day, the two kidneys filter about 120 to 150 quarts of blood to produce about 1 to 2 quarts of urine, composed of wastes and extra fluid.


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In fruit flies, one genotype for red eyes is written XRXR. The R stands for the dominant allele for red eyes. What does the X st

Reil [10]

Answer:

The correct answer is : the female chromosome

Explanation:

According to the question, it is mentioned that R is a dominant allele, responsible for the red eyes.
RR is a genotype for Red eyes.
A fruitfly has a diploid genotype which means each trait is represented by a pair of chromosomes.
In the above question, the dominant red eye colour trait is represented by the pair of chromosomes RR.
Therefore, XX must represent another trait.
By convention, a pair of X chromosomes (XX) represent a female and a combination of X and Y chromosomes (XY) represents a male.
Given XX genotype represent a female fruitfly chromosome.