1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
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 father would be affected by this disorder ?
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following conditions though
harmful in itself, is also a potential saviour from
a mosquito borne infectious disease ?
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following traits of garden pea
studied by Mendel was a recessive feature ?
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
There are three genes a, b and c. The percentage
of crossing over between a and b is 20%, b and c
is 28% and a and c is 8%. What is the sequence
of genes on chromosome
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