Inherited disorders
A) are more often caused by recessive alleles than by dominant alleles.
B) are more often caused by dominant alleles than by recessive alleles.
C) are due to dominant alleles about half the time.
D) do not usually seriously impair a child's development.

Question

Quizplus · Accepted Answer

Inherited disorders are more likely to be caused by recessive alleles, as individuals must inherit two copies of the defective allele (one from each parent) to express the disorder. Dominant alleles only require one copy to be expressed, so they are less likely to be the cause of inherited disorders.

Inherited Disorders