When Are Laboratory Experiments Desirable

question 48

Multiple Choice

When are laboratory experiments desirable?

• A)when the sample should be representative of the population to which the results are generalized
• B)when the experiment's context and conduct are natural so that the subjects behave realistically
• C)when the intent of the experiment is to achieve high levels of external validity
• D)when the intent of the experiment is to achieve high levels of internal validity
• E)when the intent is to achieve high external validity and moderate internal validity

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Definitions:

Gamete

Haploid sex cell; e.g., egg or sperm.

YySsTt

A genetic notation indicating an individual with heterozygous alleles for three different traits.

Homozygous Recessive

A genetic condition in which an individual carries two copies of a recessive allele for a particular trait.

Crosses

The process of breeding or mating individuals from different genetic lineages, resulting in hybrid offspring.