Answer: it is D
Explanation: if you get a gene from your parents it's a gene you get it's not a mutation because if it was it would've been like a calico color but since it's just black it's D.
Answer:
A. 90%
Explanation:
Only 10% can transfer from level to level.
No genes make up chromosomes. Chromosomes contain DNA sequences and specific sequences aka genes make specific traits.
Answer:
There are not metric measurment
(3) increased fatigue is your answer.
