For parents who are carriers of the same recessive trait, the chance of giving birth to an affected child is _____%.

Question

Quizplus · Accepted Answer

For parents who are carriers of the same recessive trait, the chance of having an affected child is 25%. The risk of having a homozygotic normal child is 25%, and the chance of having a heterozygotic carrier is 50% for each pregnancy. For parents who are carriers of the same recessive trait, the chance of having an affected child is 25% rather than zero. Each parent must contribute the recessive trait, and this will occur 25% of the time as a mathematic probability. For parents who are carriers of the same recessive trait, the chance of having an affected child is 25% rather than 50%. Each parent must contribute the recessive trait, and this will occur 25% of the time as a mathematic probability. For parents who are carriers of the same recessive trait, the chance of having an affected child is 25% rather than 100%. Each parent must contribute the recessive trait, and this will occur 25% of the time as a mathematic probability.

For Parents Who Are Carriers of the Same Recessive Trait