John and Kendra Are Having Problems with Infertility

question 29

Multiple Choice

John and Kendra are having problems with infertility.Their doctor suggest a procedure in which the sperm and egg are placed directly into the fallopian tube in the hope that their proximity will aid in the process of fertilization.Which of the following describes this technique?

• A) Dilation and evacuation (D&E)
• B) Artificial insemination
• C) Gamete intrafallopian transfer
• D) Zygote intrafallopian transfer
• E) In-vitro fertilization

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Definitions:

Heterozygote

An individual possessing two different alleles of a particular gene, one inherited from each parent.

Intermediate Expression

It refers to the expression of a phenotype that is between two extremes, typically resulting from incomplete dominance in genetics.

Gastrulation

During the early stages of embryonic evolution in a wide range of animals, the simple, single-layered structure called a blastula rearranges itself into a complex, multilayered formation known as the gastrula.

Embryonic Disk

A key structure in early embryonic development, from which the embryo begins to form and differentiate into various tissues and organ systems.