Question

7 Hemophilia is a rare, X-linked recessive trait. Use the letters H/h to represent the dominant/recessive alleles, and remember to include the sex chromosomes in the genotypes, as discussed. a What is the genotype of a male with hemophilia?

Answer 1

A male with hemophilia has the genotype XhY, where Xh represents the mutated X chromosome that carries the hemophilia allele, and Y represents the Y chromosome.

Step-by-step explanation:

A male with hemophilia has the genotype XhY, where Xh represents the mutated X chromosome that carries the hemophilia allele, and Y represents the Y chromosome. In hemophilia, the inability to synthesize sufficient quantities of clotting factors leads to excessive bleeding. Since males have only one X chromosome, a single copy of the mutant allele is enough to cause hemophilia in males.