The Nurse Is Creating a Poster for Pregnant Mothers

question 11

Multiple Choice

The nurse is creating a poster for pregnant mothers. Which description of fetal development does the nurse include?

• A)Four layers of cells form after the embryo is at the ball stage.
• B)After fertilization, the cells only become larger for several weeks.
• C)Most organs are formed by 8 weeks after fertilization.
• D)The embryonic stage is from fertilization until 5 months.

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Definitions:

Incompletely Dominant

A genetic scenario where the phenotype of the heterozygote is intermediate between the phenotypes of the two homozygotes.

Dihybrid Heterozygotes

Individuals carrying two different alleles of two different genes, showing a phenotype that reflects the interaction of both.

Phenotypes

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Linkage Group

A set of genes located close together on the same chromosome that tend to be inherited together.