Which of the Following Statements Best Explains Why Dominant Alleles

question 66

Multiple Choice

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.

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Definitions:

Seventeenth-Century Virginia

Refers to the English colony in North America during the 1600s, a period of early settlement, tobacco cultivation, and African enslavement.

Elite Plantation-Owning Class

Refers to the class of individuals or families who owned large areas of land used for agricultural production, specifically plantations, which often relied on enslaved labor in pre-Civil War America and other colonial contexts.

Puritans

English religious group that sought to purify the Church of England; founded the Massachusetts Bay Colony under John Winthrop in 1630.

English Protestants

Members of the Protestant faith within England, a Christian movement that separated from the Roman Catholic Church in the 16th century.