D. regulates which materials enter and leave the cell
I think that those are the results of the cross
YYRR : YyRr : yyrr
1 : 2 : 1
25% 50% 25%
Animal cells do not have a cell wall or chloroplasts but plant cells do. This is just one example there are several ways. <span />
Answer:
These homologous chromosomes represent a maternal and a paternal chromosome
Explanation: