-What information can be inferred about Queen Victoria based on a pedigree of the British royal family?
A) She was the first royal family member with hemophilia.
B) All of her children were born with hemophilia.
C) She was the first royal family member with a mutation in a blood-clotting gene.
D) She inherited a mutation in a blood-clotting allele.

Question

-What information can be inferred about Queen Victoria based on a pedigree of the British royal family?
A) She was the first royal family member with hemophilia. 
B) All of her children were born with hemophilia. 
C) She was the first royal family member with a mutation in a blood-clotting gene. 
D) She inherited a mutation in a blood-clotting allele.

Quizplus · Accepted Answer

Queen Victoria was a carrier of the hemophilia gene, which is a mutation in a blood-clotting allele. This mutation was passed on to some of her descendants, indicating she inherited the mutation rather than being the first to have it or all her children being affected.

-What Information Can Be Inferred About Queen Victoria Based on a Pedigree