Question

What is the maximum number of alleles that a given human adult (with 23 pairs of chromosomes) can have at any particular genetic locus?
a. 1
b. 2
c. 23
d. 46
e. There is no maximum number.

Answer 1

Answer:

b. 2

Explanation:

Humans have typically 23 pairs of chromosomes. Each pair is composed of a chromosome from the mother and another from the father. A specific locus in a chromosome is composed of two alleles. An allele inherited from the mother and the other allele inherited from the father.