If a child inherits a healthy recessive allele from one parent and a lethal dominant allele from the other parent, he or she may
A) lead a normal healthy life.
B) die during childhood.
C) die during adulthood.
D) lead a normal healthy life or die at any time during the life span.
E) have a greater number of health-related problems but have normal longevity.

Question

Quizplus · Accepted Answer

The presence of a lethal dominant allele means the child could potentially die at any stage of life depending on the nature of the genetic condition, but the presence of a healthy recessive allele also allows for the possibility of leading a normal life, depending on how the dominant allele affects the individual's health.

If a Child Inherits a Healthy Recessive Allele from One