When Estrogen and Progestin Are Withdrawn After Day 21 in the Traditional

question 25

Multiple Choice

When estrogen and progestin are withdrawn after day 21 in the traditional pill:

• A)the process of ovulation is inhibited.
• B)the production of FHS is inhibited.
• C)the cervical mucus tends to thicken.
• D)the lining of the uterus disintegrates.

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Definitions:

Additive Genes

Genetic models where the effects of individual genes add up to influence a trait, without dominance between alleles.

Dominant Genes

Genes that express their traits in the phenotype, regardless of the presence of their recessive counterparts in an organism's genotype.

Recessive Genes

Genes that produce their characteristic phenotype only when their allele is identical and not masked by a dominant allele in a pair.

Additive Genes

Genes that contribute incrementally in varying degrees to the phenotype of an organism.