Answer:
B) The alleles are different
Explanation:
Hetero- different
zygous- you can best relate it to specific kind of zygote, or fertilized egg (which has two alleles)
Answer:
The number of protons in the nucleus of an atom determines an element's atomic number
A CELL WALL because the other three appear in different types of cells
Ion transport or active transport depending on which situation you have.
