Answer:
The correct option is D
Explanation:
A male sperm needs a x chromosome and y chromosome , whereas a female sperm needs 2 x chromosomes , Thus both genders needing x chromosome
The answer is D
The nitrogen bases adenine, thymine, cytosine and guanine code for the amino acid sequence in the protein
The symptom that the client is experiencing is consistent with the deficiency in the Vitamin A which is a dietary element. The vitamin A is responsible for causing dryness to the eyes if a person is lacking this type of dietary element as Vitamin A is the one responsible for providing healthy vision for an individual.
Answer:1.Selection of the dark-colored moths over light-colored moths after industrial evolution is an example of directional selection while selection of alpha males and “sneaking” males over intermediate males in a lobster population is an example of disruptive selection.
2.organism in which they occur. They are called beneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment. Beneficial mutations are essential for evolution to occur.
Explanation:
i really hopes this helps
