A gene may have many alleles,but a person has only two alleles for a gene,because
A)having more than two alleles is always lethal.
B)a gene can be altered in many ways,but a person has only two copies of any gene.
C)a genotype is haploid because of meiosis.
D)having more than two alleles unbalances the chromosomes.

Question

Quizplus · Accepted Answer

Each person inherits one allele for a gene from each parent, resulting in two alleles per gene in a diploid cell. However, a gene may have many different alleles present in the population as a whole, but any given individual will only possess two of them. This is due to the fact that humans are diploid organisms with two sets of chromosomes, one inherited from each parent.

A Gene May Have Many Alleles,but a Person Has Only