?

Genetics and Genomics

Free Version

Upgrade subject to access all content

Moderate

Determining Inheritance Risk as a Genetic Counselor

GENES-BG4Y0F

A given blood disorder is known to occur in 80% of people who are homozygous for the single nucleotide polymorphism (SNP) snp123. A man and a woman who are considering having a baby ask you, a genetic counselor, to analyze their genomes. You find that they are both heterozygous for snp123.

As a genetic counselor, what do you report to the parents as the likelihood that they would have a baby with this blood disorder?

A

80%.

B

60%.

C

20%.

D

More information is required.

E

As neither parent has developed the blood disorder, the question is irrelevant.