4.b 5.c 6.c is the right answer
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Explanation:
9:3:3:1 would be the expected phenotypic ratio
This would result in whatever effectors that spinal nerve controlled would no longer work; it would be paralyzed
