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 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
3
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
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG, then the nucleotide sequence in the mRNA would be -
A
UAUGC
B
TCTGG
C
UATGC
D
TATGC
EXAM MAP