15.
in fruit flies, gray body color (g) is dominant
over black body color (g). what kind of offspring
would you expect from parents who are both
heterozygous for body color (gg x gg)?
a. 0% gray, 100% black
b. 25% gray, 75% black
c. 75% gray, 25% black
d.
100% gray, 0% black

C. 75% gray 25% black

Explanation:

make a table

the four opportunities are GG, Gg, Gg, and gg.

dna damages cause changes in the structure of the genetic material and prevents the replication mechanism from functioning and performing properly. dna damage and mutation have different biological consequences. while most dna damages can undergo dna repair, such repair is not 100% efficient.