Which Genotypic Ratio Indicates a Recessive Lethal Allele When Two

question 5

Multiple Choice

Which genotypic ratio indicates a recessive lethal allele when two heterozygotes are mated?

• A)2:1
• B)3:1
• C)1:2:1
• D)1:1
• E)4:1

---

Definitions:

Benjamin Franklin

A Founding Father of the United States known for his contributions as a statesman, author, publisher, scientist, inventor, and diplomat.

Eugenics Movement

A social and scientific movement that aimed at improving the genetic quality of the human population through selective breeding and sterilization, based on theories of heredity.

Social Darwinism

The application of Darwin's theory of natural selection to social, political, and economic issues, often used to justify political conservatism, imperialism, and racism.

Conflict Theory

A perspective in sociology that sees society as an arena of inequality that generates conflict and change, focusing on the struggles between different social classes.