1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following symbols and its representation, used in human pedigree analysis is correct –
A
AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 128 English Option 1
B
AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 128 English Option 2
C
AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 128 English Option 3
D
AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 128 English Option 4
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
ABO blood groups in humans are controlled by the gene I. It has three alleles – IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur –
A
One
B
Two
C
Three
D
Four
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Select the correct statement from the ones given below with respect to dihybrid cross –
A
Genes far apart on the same chromosome show very few recombinations
B
Tightly linked genes on the same chromosome show very few recombination
C
Tightly linked genes on the same chromosome show higher recombinations
D
Genes loosely linked on the same chromosome show similar recombinations as the tightly linked ones
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The genotype of a plant showing the dominant phenotype can be determined by –
A
Pedigree analysis
B
Back cross
C
Test cross
D
Dihybrid cross
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