1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A normal woman, whose father was colour-blind is married to a normal man. The sons would be :-
A
All colour-blind
B
75 % colour-blind
C
All normal
D
50% colour-blind
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The recessive genes located on X-chromosomes in humans are always-
A
Expressed in females
B
Sub-lethal
C
Expressed in males
D
Lethal
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The genes controlling the seven pea characters studied by Mendel are now known to be located on how many different chromosomes ?
A
Six
B
Seven
C
Five
D
Four
4
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 ?
A
50%
B
100%
C
75%
D
25%
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