If a Single Gene Has 3 or More Alternative Forms

question 52

Multiple Choice

If a single gene has 3 or more alternative forms, this is called

• A)pleiotropy.
• B)multiple alleles.
• C)epistasis.
• D)blending inheritance.

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Definitions:

Seafloor Spreading

The process by which new oceanic crust is created at mid-ocean ridges as tectonic plates diverge, allowing magma from the mantle to cool and solidify.

Lesser Antilles

A chain of smaller islands stretching from the Virgin Islands to Trinidad and Tobago, separating the Caribbean Sea from the Atlantic Ocean.

Subduction Zone

A region where one tectonic plate plunges beneath another into the earth's mantle, often generating earthquakes and volcanic activity.

Central Atlantic Ocean

The portion of the Atlantic Ocean located between North and South America to the west and Europe and Africa to the east.