The Fact That Epinephrine Has No Apparent Effect on Energy

question 62

Multiple Choice

The fact that epinephrine has no apparent effect on energy consumption unless thyroid hormones are present in normal concentrations is an example of a(n)

• A) antagonistic effect.
• B) synergistic effect.
• C) permissive effect.
• D) opposing effect.
• E) integrative effect.

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Definitions:

Incomplete Dominance

Incomplete dominance is a genetic situation in which neither allele is dominant, resulting in an offspring with a phenotype that is a blend of the parental traits.

Codominance

A genetic scenario where two alleles are both expressed equally in the phenotype of the heterozygote, instead of one being dominant over the other.

Epistasis

A genetic interaction where the effect of one gene is modified by one or several other genes, which can mask or suppress the expression of the first gene.

Test Cross

A genetic experiment involving the breeding of an individual of unknown genotype with a homozygous recessive individual, to determine the unknown genotype.