A service that provides potential parents with information on the risk of a child of theirs being born with an inherited disorder is called _____ counseling.
a. genetic
b. selective breeding
c. gene therapy
d. relational
Question 2Which statement concerning fragile X syndrome is true?
a. It is a non-sex-linked trait.
b. It occurs as the result of an extra X chromosome.
c. It involves a depletion in the number of duplications in the DNA code.
d. It is more common in males.
Question 3_____ is associated with cognitive impairment as well as autism, and may not be apparent until the affected child is age three years or older.
a. Turner syndrome
b. Fragile X syndrome
c. Klinefelter syndrome
d. Down syndrome
Question 4Which of the following is an accurate comparison of people with Down syndrome and people with Klinefelter syndrome?
a. They both have cells with 47 chromosomes, but the extra chromosome in Klinefelter syndrome is a sex chromosome and in Down syndrome, it is one of the other chromosomes.
b. They both have cells with 47 chromosomes, and in both cases, it is an extra sex chromosome.
c. There is an extra chromosome in Down syndrome, while there are fewer than the normal number of chromosomes in Klinefelter syndrome.
d. There is an extra X chromosome in Klinefelter syndrome and a missing X chromosome in Down syndrome.
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