One Parent Has One Copy of a Dominant Allele for Gene

question 93

Multiple Choice

One parent has one copy of a dominant allele for Gene 87 and one recessive allele for Gene 87.The other parent has two copies of the dominant allele for Gene 87.What is the chance that their children will inherit the recessive condition (two copies of Gene 87) ? You may need to draw a Punnett square to figure this out.

• A) 0%
• B) 25%
• C) 50%
• D) 75%
• E) 100%

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Definitions:

Egocentric Behavior

Conduct based on a lack of understanding, or refusal to acknowledge, the perceptions, thoughts, and feelings of others.

Pretend Play

An imaginative activity in which children represent and act out scenarios, often involving role-playing and make-believe components.

Object Permanence

Recognizing that objects maintain their existence even when they cannot be observed, heard, or sensed in any way.

Conservatism

A political and social philosophy promoting traditional institutions and practices, emphasizing stability, continuity, and respect for cultural heritage.