Answer:
An insertion mutation occurs when an extra nucleotide is added to the DNA strand during replication. This can happen when the replicating strand "slips," or wrinkles, which allows the extra nucleotide to be incorporated.
A and D are almost entirely solid solid
Answer:
yes
Explanation:
an hypothesis is a guess based on observation
Homologous chromosomes, is a pair of chromosome connected by a centromere. In sexual reproduction, the chromosome of the mother and the chromosome of the father pairs together.