Ruth Is Experiencing Infertility, Which Is Defined As

question 92

Multiple Choice

Ruth is experiencing infertility, which is defined as:

• A)the inability to get pregnant after five years of trying.
• B)having at least 3 miscarriages.
• C)the inability to get pregnant after one year of trying.
• D)having a child over age 45.
• E)the inability to carry a fetus to term.

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Definitions:

Allelic Form

Variations of a gene that occur in the same place on a chromosome.

Recessive Allele

An allele that produces its characteristic phenotype only when its paired allele is identical.

Dominant Allele

A dominant allele is one version of a gene that masks the presence of a recessive allele in the pair, meaning the trait it represents is expressed even when only one copy is present.

Codominance

A genetic scenario where two alleles of a gene are expressed equally in the phenotype of the organism, neither being recessive to the other.