Question

question 9 of 20 :
select the best answer for the question.

1. some people use genetic testing before becoming pregnant to find out whether

a. theyre carriers of a genetic disorder.
b. their child is likely to have down syndrome.
c. theyre able to become pregnant.
d. their child is likely to be tall.
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Explanation:

• Option A: Genetic testing before pregnancy can identify if a person is a carrier of a genetic disorder, as this testing looks at an individual's genetic makeup to detect mutations associated with inherited conditions.
• Option B: Down syndrome testing (like amniocentesis or non - invasive prenatal testing) is typically done during pregnancy, not before conception to check if the child will have it.
• Option C: Tests for fertility (ability to become pregnant) are different from genetic testing and focus on reproductive health factors like hormone levels, ovulation, and uterine health, not genetics.
• Option D: Height is a polygenic trait influenced by many genes and environmental factors, and genetic testing before pregnancy is not typically used to predict a child's height as it is not a disorder - related or high - priority predictive factor in this context.

Answer:

A. they're carriers of a genetic disorder.