With which of the following groups would a person collectively share the most alleles?
A) one niece, two first cousins, and a brother
B) two sisters and two nieces
C) one son, one niece, and one first cousin
D) four nieces and one first cousin

Question

Quizplus · Accepted Answer

Two sisters and two nieces would share the most alleles with the person in question. Siblings share about 50% of their alleles due to common parentage, and nieces would share approximately 25% of their alleles with the person, as they are the children of the person's siblings. This combination offers the highest average percentage of shared alleles.

With Which of the Following Groups Would a Person Collectively