Imagine a Population Where There Are 20 Aa Individuals, 50

question 49

Multiple Choice

Imagine a population where there are 20 aa individuals, 50 Aa individuals, and 30 AA individuals. Imagine that selection acts against both homozygotes such that neither homozygote survives to adulthood. What is the frequency of each genotype in the next generation of zygotes?

• A) aa = 0, Aa = 1.0, and AA = 0
• B) aa = .20, Aa = .60, and AA = .20
• C) aa = .20, Aa = .50, and AA = .30
• D) aa = .25, Aa = .50, and AA = .25

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Definitions:

Constructive Memory

A theory that suggests memories are not exact replicas of events but rather reconstructions that can be influenced by various factors and susceptible to errors.

Shallow Processing

Shallow processing is a cognitive approach where individuals focus on surface characteristics such as the appearance or sound of words, rather than their meanings, leading to less durable memory.

Early Selection

A theory in attention that suggests stimuli are filtered or selected to be attended to at an early stage of processing, based on physical characteristics.

Sensory Memory

The shortest-term element of memory, which stores sensory impressions for a very brief period, allowing us to experience the world as a continuous stream.