Before Muller's Discovery That Radiation Induces Mutation, Scientists Had to Work

question 29

Multiple Choice

Before Muller's discovery that radiation induces mutation, scientists had to work on mutations that were found solely by phenotype differences in natural populations. Which of the features
Of Drosophila made it a fortuitous choice for Morgan and his colleagues?

• A)having a long life cycle
• B)especially high rate of mutation
• C)large number of easily visible phenotypes
• D)well-known biochemical pathways
• E)the number of genes with only two alleles

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Definitions:

Afro-American League

An early civil rights organization in the United States, aimed at advocating for African American rights and challenging racial discrimination.

T.Thomas Fortune

An African American journalist, editor, and writer, recognized as a leading advocate of civil rights and economic empowerment for African Americans in the late 19th and early 20th centuries.

Freeman

Historically, an individual who was not a serf or slave and possessed certain rights; in the context of American history, often refers to a former slave who has been emancipated.

Progressive Era

A period of widespread social activism and political reform across the United States, roughly from the 1890s to the 1920s.