The Ability of a Single Gene to Have Multiple Effects

question 56

Multiple Choice

The ability of a single gene to have multiple effects is known as _____.

• A) pleiotropy
• B) epistasis
• C) polygenic inheritance
• D) norm of reaction
• E) codominance

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Definitions:

Bird-like Hip

A type of pelvis structure found in some dinosaurs characterized by a forward-tilting pubis, similar to that of birds.

Mesozoic Era

A geological era that occurred between 252 and 66 million years ago, characterized by the dominance of dinosaurs.

Paleozoic

An era in the geologic time scale, occurring from about 541 million to 252 million years ago, noted for the early development of life on Earth.

Crinoids

Marine animals belonging to the class Crinoidea, characterized by a mouth on the top surface surrounded by feeding arms, part of the echinoderm phylum.