I think the answer is D but it's been a while since I've done this.
B. Segregation.
I have the same question and answered it and this is what it told me. I think it should be right.
Samoset and Squanto both speak using the English language.
Mutations can lead to changes in the structure of an encoded protein or to a decrease or complete loss in its expression. Because a change in the DNA sequence affects all copies of the encoded protein, mutations can be particularly damaging to a cell or organism.
