I'm pretty sure that cells contain genes inside them.
Females are more likely to be carriers of X-linked traits, and males are more likely to express them.
It does not include plant sources.
Answer:
This is the basis for Chargaff's rule; because of their complementarity, there is as much adenine as thymine in a DNA molecule and as much guanine as cytosine. Adenine and thymine are connected by two hydrogen bonds, and cytosine and guanine are connected by three hydrogen bonds
DNA is the ultimate control of cell's productions. So A.
