Since Each Child of Two Heterozygous Parents Has a 50

question 33

Multiple Choice

Since each child of two heterozygous parents has a 50% chance of receiving a recessive trait from each parent,

• A)if the first child is phenotypically recessive,then the next child must be phenotypically dominant.
• B)if the first child is phenotypically recessive,then the next child has a 3/4 chance of being phenotypically recessive.
• C)if the first child is phenotypically recessive,then the next child has a 1/2 chance of being phenotypically recessive.
• D)no matter what the first child's phenotype,the next child will have a 1/4 chance of being phenotypically recessive.

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Definitions:

Shaping

A training technique that involves gradually reinforcing behaviors that come closer and closer to a targeted action.

Partial Responses

In medical and psychological treatments, reactions that show some improvement due to therapy but do not fulfill all criteria for complete remission.

Reinforcement

In operant conditioning, a process that increases the likelihood of a behavior by applying a positive stimulus or removing a negative one.

Insight

The capacity to gain an accurate and deep understanding of someone or something.