When a sperm cell fertilizes an egg cell, the genes in both cells?

They would combine together s i would say Combine.

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

plz give brainliest

its going to be mutualism cuz they both benefit from the relationship.

~batmans wife dun dun