Down's syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affect

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Q 2736034872.     Down's syndrome is caused by an extra copy of
chromosome number 21. What percentage of
offspring produced by an affected mother and a
normal fl1thcr would be affected by this disorder'?
AIPMT 2003
A

100%

B

75 %

C

50 %

D

25%

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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