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

question 41

Multiple Choice

Before Muller's discovery that radiation induces mutation, scientists had to work on spontaneous mutants 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) both sexual and asexual reproduction
• B) well- known biochemical pathways
• C) especially high rate of mutation
• D) having a long life cycle
• E) large number of visible phenotypes

---

Definitions:

Attested

Verified or certified as true, accurate, or genuine by a witness or authority.

Codicil

A formal document used to supplement or change an existing will.

Under Seal

A formal designation indicating that a document's execution has a legally recognized form, often offering a presumption of consideration.

Typewritten

Text produced using a typewriter or typewriting software, characterized by uniform spacing and alignment.