1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
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
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
A test cross is carried out to :
A
Determine whether two species or varieties will breed successfully
B
Determine the genotype of a plant at F2
C
Predict whether two traits are linked
D
Assess the number of alleles of a gene
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Represented below is the inheritance pattern of the certain type of traits in humans. Which one of the following conditions could be an example of this pattern ? AIPMT 2012 Mains Biology - Principles of Inheritance and Variation Question 135 English
A
Haemophilia
B
Sickel cell anaemia
C
Thalassemia
D
Phenylketonuria
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
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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