c. nondisjunction in a paternal meiocyte at meiosis I. d. nondisjunction in a paternal meiocyte at meiosis II. e. unequal crossing over. Fragile X syndrome is caused by a. exposure to high doses of 5-bromouracil. b. exposure to high doses of free radicals. c. an inherited microdeletion. d. spontaneous depurination. e. trinucleotide expansion.

          c. nondisjunction in a paternal meiocyte at meiosis I.
d. nondisjunction in a paternal meiocyte at meiosis II.
e. unequal crossing over.
Fragile X syndrome is caused by
a. exposure to high doses of 5-bromouracil.
b. exposure to high doses of free radicals.
c. an inherited microdeletion.
d. spontaneous depurination.
e. trinucleotide expansion.

c. nondisjunction in a paternal meiocyte at meiosis I.
d. nondisjunction in a paternal meiocyte at meiosis II.
e. unequal crossing over.
Fragile X syndrome is caused by
a. exposure to high doses of 5-bromouracil.
b. exposure to high doses of free radicals.
c. an inherited microdeletion.
d. spontaneous depurination.
e. trinucleotide expansion.

Added by Carla A.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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05/16/2023

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c. nondisjunction in a paternal meiocyte at meiosis I. d. nondisjunction in a paternal meiocyte at meiosis II. e. unequal crossing over. Fragile X syndrome is caused by a. exposure to high doses of 5-bromouracil. b. exposure to high doses of free radicals. c. an inherited microdeletion. d. spontaneous depurination. e. trinucleotide expansion.