1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Mark the incorrect statement for inbreeding.

A
Inbreeding depression increases productivity
B
Inbreeding depression can be overcome by outcrossing
C
Produces purelines
D
Increases homozygosity
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Match the following columns and choose the correct option from the codes given below.

Column I Column II
A. Pleiotropic gene (i) Both alleles express equally
B. Co-dominance (ii) Change in nucleotides
C. Epistasis (iii) One gene shows multiple phenotypic expression
D. Mutation (iv) Non-allelic gene inheritance

A
A - (i), B - (ii), C - (iii), D - (iv)
B
A - (ii), B - (iii), C - (iv), D - (i)
C
A - (iii), B - (i), C - (iv), D - (ii)
D
A - (i), B - (iii), C - (iv), D - (ii)
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Blood group of the father is ‘A’ and blood group of mother is ‘B’. Then predict the blood group of the progeny

A
A, AB
B
A, B, AB, O
C
B, AB
D
O, A, B
4
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Down’s syndrome, Klinefelter’s syndrome and Turner’s syndrome are chromosomal disorders.

Reason : In Klinefelter’s syndrome females are sterile.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
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