The reason recessive genetic disorders are more frequent than disorders inherited as dominant is that ________.
A) people carrying dominant genetic disorders always die before birth
B) recessive genetic disorders are limited to persons of the same ethnicity
C) carriers are not eliminated by the disease before passing the defective alleles on to their offspring
D) dominant genetic disorders are never expressed in males

Question

Quizplus · Accepted Answer

Carriers of recessive genetic disorders may not show symptoms and can pass the defective allele on to their offspring. In contrast, individuals with dominant genetic disorders typically show symptoms and do not survive to reproduce, or if they do, they pass on the dominant allele. This results in a higher frequency of recessive genetic disorders in the population. Options A, B, and D are incorrect because they are not true statements.

The Reason Recessive Genetic Disorders Are More Frequent Than Disorders