1
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)
2
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
3
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.
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Select the incorrect statement(s) from the options given below with respect to dihybrid cross.

I. Tightly linked genes on the same chromosome show higher recombinations.

II. Genes far apart on the same chromosome show very few recombinations.

III. Genes loosely linked on the same chromosome show similar recombinations.

A
I and II
B
III and II
C
I and III
D
All of these
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