Answer:
it occurs in the ovary that is part labelled 4
Explanation:
The DNA is stored in the nucleus of the cell. Different genes are active in different kinds of cells. Most living things are composed of different kinds of cells specialized to perform different functions. A liver cell, for example, does not have the same biochemical duties as a nerve cell.
A rigid cell wall is found in plants so they can hold themselves up.
C. a Y chromosome from his father
This is because boys have one X and one Y chromosome, while girls have 2 X's, so the Y must come from the father.
Hope this helps :D
