Question

a couple has gone in to discuss the chances of passing on a autosomal recessive disorder to their future children. understanding the recurrence risk of autosomal recessive traits, what percentage will the provider give for the chance the child will have the disorder?

Answer 1

If both parents are carriers of an autosomal recessive disorder, there is a 25 percent chance of their child inheriting the disease.

Step-by-step explanation:

When discussing the chances of passing on an autosomal recessive disorder to future children, it is important to understand the inheritance patterns of such diseases. If both parents are carriers of a recessive allele for a condition such as cystic fibrosis, they have a 25 percent chance of having a child with the disorder. This is because there is a 3:1 ratio of dominant to recessive inheritance, which means there is a 75 percent chance their child will not have the disorder (being either a carrier or homozygous dominant), and a 25 percent chance the child will inherit two recessive alleles (one from each parent) which would lead to the expression of the disorder.