1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Haploids are more suitable for mutation studies than the diploids. This is because:
A
all mutations, whether dominant or recessive are expressed in haploids
B
mutagens penetrate in haploids more effectively than in diploids
C
haploids are reproductively more stable than diploids
D
haploids are more abundant in nature than diploids
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A human male produces sperms with the genotypes AB, Ab, AB, and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person ?
A
AaBb
B
AABB
C
AaBB
D
AABb
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F1 generation ?
A
9 : 1
B
3 : 1
C
50 : 50
D
1 : 3
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Inheritance of skin colour in humans is an example of:-
A
Chromosomal aberration
B
Polygenic inheritance
C
Codominance
D
Point mutation
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