A Testcross Involves an Individual with the Dominant Phenotype but Unknown

question 36

Multiple Choice

A testcross involves an individual with the dominant phenotype but unknown genotype being crossed with an individual that has a(n) ________ genotype.

• A)homozygous dominant
• B)heterozygous dominant
• C)homozygous recessive
• D)Any of the choices.

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Definitions:

Food

Any nutritious substance that humans or animals eat or drink to maintain life and growth.

Conditioned Reinforcer

A stimulus that gains its reinforcing power through its association with a primary reinforcer.

Partial Reinforcer

A type of reinforcement strategy where a reward is given only some of the time after the desired behavior is exhibited.

Primary Reinforcer

A naturally reinforcing stimulus like food or water, which does not require learning to become pleasurable or desirable.