Consider an Infertile Couple,of Which Both Partners Are Able to Produce

question 59

Multiple Choice

Consider an infertile couple,of which both partners are able to produce healthy gametes,but the woman's history of endometriosis has rendered her unable to carry a fetus. Suppose this couple undergoes IVF with their own gametes,followed by embryo transfer to the uterus of a gestational surrogate,and the birth of a baby. What is the genetic relationship between the surrogate and the baby?

• A) The baby shares only X chromosomal DNA with the gestational surrogate.
• B) The baby shares 25% of its genes with the gestational surrogate.
• C) The baby shares half of its genes with the gestational surrogate.
• D) The baby is genetically identical to the gestational surrogate.
• E) There is no genetic relationship between the gestational surrogate and the baby.

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Definitions:

Carbon Dioxide

This gas, which lacks both color and odor, is created from burning carbon-containing materials and through the act of respiration. It's a natural part of the air and is consumed by plants for photosynthesis.

Nucleotides

The basic structural units of nucleic acids, like DNA and RNA, consisting of a sugar, a phosphate, and a nitrogenous base.

DNA Nucleotides

The basic building blocks of DNA, consisting of a sugar (deoxyribose), a phosphate group, and one of four nitrogenous bases (adenine, guanine, cytosine, or thymine).

RNA Nucleotides

The basic building blocks of RNA molecules that include adenine, cytosine, guanine, and uracil, which pair to encode genetic information.