Answer:
The answer is alleles :)
Explanation:
The two versions of the same gene are called alleles. The two alleles are formed at the same position, or locus, on the chromosome. REMEMBER: THE 2 ALLELES ARE GOTTEN FROM THE 2 GAMETES OF SEXUAL REPRODUCTION. THAT IS WHY THEY CAN DIFFER.
I hope I helped you !
The answer to this question is A (Because Earth rotates on its axis.)
A virus is an infectious particle that reproduces by "commandeering" a host cell and using its machinery to make more viruses.