The Phenotypic Frequencies of a Character Sometimes Form a Smooth

question 20

Multiple Choice

The phenotypic frequencies of a character sometimes form a smooth, bell-shaped curve because

• A) only two distinct alleles underlie the trait.
• B) environmental variation smooths out the gaps between phenotypes.
• C) sampling error when measuring the trait smooths out the variation.
• D) continuous, smooth variation has a very high mutation rate.

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Definitions:

Stacking Technique

A productivity method where tasks are grouped and tackled in sequence or simultaneously to maximize efficiency.

Acronym

A word formed from the first letter of a series of other words.

Acrostic

A poem, word puzzle, or other composition in which certain letters in each line form a word or words when read in sequence.

Memory Process

The series of steps that include encoding, storing, and retrieving information.