For a Gene A, a Geneticist Studying a Population of Butterflies

question 14

Multiple Choice

For a gene A, a geneticist studying a population of butterflies found the following genotypes: $\begin{array}{c}\begin{array}{r}108 \\144 \\48\end{array} \begin{array}{lll} \text {\( A A \) butterflies }\\ \text {Aa butterflies }\\ \text { aa butterflies}\end{array}\end{array}$

-What is the observed genotypic frequency of Aa individuals?

• A)0.144
• B)0.72
• C)0.40
• D)0.48
• E)1.44

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Definitions:

Negative Emotions

Emotional states that are considered to be unpleasant or undesirable, such as sadness, anger, fear, or anxiety.

Anticipatory Smiling

A social signal where an individual smiles in anticipation of a positive interaction.

Infant

A baby or small child, usually not yet a year old.

Strange Situation

A procedure developed by psychologist Mary Ainsworth to assess attachment styles in children by observing their reactions to separations and reunions with their caregiver.