For mutations to affect an organism's descendants, they must: 1) occur in cells that produce the next generation, and 2) affect the hereditary material. Ultimately, the interplay between inherited mutations and environmental pressures generates diversity among species.
The two DNA<span> strands are known as polynucleotides since they are </span>composed<span> of simpler units called nucleotides. Each nucleotide is </span>composed<span> of a nitrogen-containing nucleobase—either cytosine (C), guanine (G), adenine (A), or thymine (T)—as well as a sugar called deoxyribose and a phosphate group.</span>
Explanation: For only 7 points no one is going to do that. Make at 50 and I will do it.
