A genetic abnormality that may result in males with mental retardation and reduced fertility is
a. XXY.
b. XYY.
c. Turner syndrome.
d. Down syndrome.
e. XXX.
A
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If an individual has a XYY genotype, they are classified as having
A) Down syndrome. B) cri du chat syndrome. C) Turner syndrome. D) Klinefelter syndrome. E) Jacobs syndrome.