Answer:
A
Explanation:
During prophase I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.
The answer is b because genes can control sn organisms traits
Answer:
Explanation:
if woman is homozygous than 0%
if she is heterozygous than 25% chance of having a son and he is color blind
Answer:
If the Earth suddenly had no gravity, the Earth’s atmosphere would float into space. Everything not attached to the Earth would fly off into space. Things like trees and most buildings would remain because they are rooted. Since the Earth, itself, is held together by gravity, it would most probably break apart into chunks and float off.
Explanation: