Question

Why are Chromosomes arranged in pairs?

A. One chromosome is from the mother, and the other is from the father.
B. DNA is a double helix.
C. The chromosomes are split more easily.
D. Genes can be dominant or recessive

Answer 1

DNA is a double helix

Answer 2

Answer: B

Explanation: because the dna are a double helix and do have a chance to split a little more and let me know if you passed