1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
One of the parents of a cross has a mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of F2 progenies that mutation is found in -
A
50% of the progenies
B
1/3 of the progenies
C
None of the progenies
D
All the progenies
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A male human is heterozygous for autosomal genes A and B and is also hemizygous for hemophilic gene h. What proportion of his sperms will be abh :-
A
1/16
B
1/32
C
1/8
D
1/4
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to :-
A
Linkage
B
Recombination
C
Repulsion
D
Crossing over
4
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
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