If a Phenotype Is Controlled by the Genotypes at Two

question 18

Multiple Choice

If a phenotype is controlled by the genotypes at two different loci the interaction of these genes is called

• A)epistasis.
• B)epigenetics.
• C)dominance.
• D)codominance.
• E)incomplete dominance.

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Definitions:

Normal Approximation

A method that uses the normal distribution to approximate the distribution of other statistical measures when the conditions justify its use, particularly when the sample size is large.

Population Proportions

represent the fraction or percentage of individuals in a population exhibiting a certain trait or characteristic.

Binomial Distribution

A probability distribution that describes the number of successes in a fixed number of independent experiments, each with the same probability of success.

Significance Level

The threshold chosen by a researcher or analyst to determine the statistical significance of a result, typically denoted by alpha (α) and representing the probability of a type I error.