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OpenStudy (anonymous):
Which of the following is caused by nondisjunction? A. Albinism B. Down's syndrome C. Huntington's disease D. Tay-Sachs disease
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OpenStudy (abhisar):
any guesses ?
OpenStudy (abhisar):
Albinism is caused by a recessive allele, so its not disjunction
OpenStudy (anonymous):
mmm A
OpenStudy (abhisar):
No, i just said its not a non-disjunction
OpenStudy (abhisar):
Non-disjunction means when a replicated chromosome fails to get separated.
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OpenStudy (abhisar):
This causes polyploidy (more than 2 sets of a single chromosome).
OpenStudy (abhisar):
now in Down's syndrome, trisomy (3 sets of a single chromosome)on chromosome no 21 occurs.
OpenStudy (abhisar):
@turtlederp034
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