Answer:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
The answer is (A) virus. In the medical field, it's considered non-living.
The man with blood type A might have one of two genotypes:
1. Iᵃ Iᵃ<span>
2. </span>Iᵃ i
In this case, Iᵃ is an allele for A group, and i is an allele for 0 group.
The ABO blood type is controlled by a single gene (the ABO gene) with three types of alleles (Iᵃ Iᵇ and i)
