How does the study of DNA help us understand human traits and advance medical technology?

It helps us see how we carry gens from both mom and dad and how dominate some gens are

Explanation:

i think?

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;