Answer:
D
Explanation:
According to the law of inheritance, the phenotypes of their F2 generation will have 95 brown coat brown eye, 12 brown coat blue eye, 16 white coat blue eye, 30 white coat blue eye.
Answer:
B.
Explanation:
Take giraffes for example, they used to have short necks in the past but needed longer necks to reach leaves on the tree. So eventually they stretched their necks so much, only the ones with necks long enough to eat survived.
Uh, what kind of biology are you learning? Can you explain to me what the question is here, I'll do my best to help.
The answer is A.Sperm and eggs
