1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which idea is depicted by a cross in which the F1 generation resembles both the parents?
A
law of dominance
B
co-dominance
C
incomplete dominance
D
inheritance of one gene
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
If both parents are carriers for thalessemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child ?
A
100%
B
25%
C
no chance
D
50%
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
If two persons with 'AB' blood group marry and have sufficiently large number of children, these children could be classified as 'A' blood group : 'AB' blood group : 'B' blood group in 1 : 2 : 1 ratio. Modern technique of protein electrophoresis reveals presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of :
A
Codominance
B
Partial dominance
C
Incomplete dominance
D
Complete dominance
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following is a wrong statement regarding mutations ?
A
UV and Gamma rays are mutagens
B
Deletion and insertion of base pairs cause frame-shift mutations
C
Cancer cells commonly show chromosomal aberrations
D
Change in a single base pair of DNA does not cause mutation
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