1
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
2
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 136 English Option 1
B
AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 136 English Option 2
C
AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 136 English Option 3
D
AIPMT 2010 Prelims Biology - Principles of Inheritance and Variation Question 136 English Option 4
3
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
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Study the pedigree chart given below : AIPMT 2009 Biology - Principles of Inheritance and Variation Question 123 English What does it show ?
A
Inheritance of a recessive sex-linked disease like haemophilia
B
Inheritance of a sex-linked inborn error of metabolism like phenylketonuria
C
The pedigree chart is wrong as this is not possible
D
Inheritance of a condition like phenylketonuria as an autosomal recessive trait

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