Which nucleotide can receive a methyl group that can then result in a potential expression change of a nearby gene?.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

the tricuspid valve is present between right atrium and right ventricle

cell division is not regulated in tumor cells.