I think B seems like the answer.
Answer:
Process during which a double-stranded DNA molecule is ... This means that each of the two strands in double-stranded DNA acts as a template to produce two new strands.This allows each base to match up with its partner: each having one strand from the original DNA and one strand of new DNA
The black coat allele will be represented as the capital letter over the lowercase letter in guinea pigs. When crossing, you get 25% for homozygous dominant, 50% for heterozygous dominant, and 25% for homozygous recessive.