1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
In antirrhinum two plants with pink flowers were
hybridized. The F1 plants produced red, pink and
white flowers in the proportion of 1 red, 2 pink
and 1 white. What could be the genotype of the
two plants used for hybridization ? Red flower
colour is determined by RR, and White by rr
genes -
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 –
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following cannot be explained
on the basis of Mendel's Law of Dominance?
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The genotype of a plant showing the dominant
phenotype can be determined
by –
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