A team of scientists is studying the inheritance of eyelash length in humans, Eyelash length is either long or short, and is controlled by a single autosomal gene.
The eyelash lengths of the members of one family are shown in the pedigree below. The pedigree labels the generations I, II, and III. The
male and female in Generation I are the parents of the three males shown in Generation II, and the grandparents of the three females
shown in Generation III.
1
O
Male with long eyelashes
O Female with long eyelashes
Male with short eyelashes
Female with short eyelashes
Three family members have short eyelashes. These family members include one male and two females.
Which statement accurately compares the genotypes for eyelash length among the three family members? No