Which of the following statements best explains why dominant alleles that cause lethal disorders are less common than recessive alleles that cause lethal disorders?

Question

Quizplus · Accepted Answer

Individuals carrying a lethal dominant allele are more likely to have the disorder and die before they can reproduce, whereas individuals carrying a lethal recessive allele are more likely to be healthy and reproduce. This means that the lethal dominant allele is less likely to be passed on to future generations, resulting in a lower frequency in the population compared to lethal recessive alleles.

Which of the Following Statements Best Explains Why Dominant Alleles