Answer:
Yes
Explanation:
This is made possible by latent genes, or genes in an unexpressed state.
Cystic Fibrosis is a genetic mutation
Answer:
D. Tongue rolling
Explanation:
Not many people can do this

The digestion of protein begins at mouth and it continues at stomach and small intestine.
Hope it helps:)
Answer: Allopatric Speciation
Explanation:
Allopatric speciation occurs when new distinct species are formed due to the separation of a specie into two separate groups. These two groups are kept away from each other.
In allopatric speciation there is no exchange of genes between the two separate groups.
Allopatric speciation can also be known as geographical speciation.