Which of the following statements best explains why dominant alleles that cause lethal disorders are less common than recessive alleles that cause lethal disorders?
A) Lethal disorders caused by dominant alleles are usually more severe than lethal disorders caused by recessive alleles.
B) Unlike lethal disorders caused by recessive alleles, lethal disorders caused by dominant alleles usually cause the death of the embryo.
C) Most individuals carrying a lethal dominant allele have the disorder and die before they reproduce, whereas individuals carrying a lethal recessive allele are more likely to be healthy and reproduce.
D) The presence of a lethal dominant allele causes sterility.

Question

Quizplus · Accepted Answer

Most individuals carrying a lethal dominant allele have the disorder and die before they reproduce, whereas individuals carrying a lethal recessive allele are more likely to be healthy and reproduce. As a result, recessive alleles causing lethal disorders are more likely to be passed on to the next generation than dominant alleles causing lethal disorders.

Which of the Following Statements Best Explains Why Dominant Alleles