1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible -
A
five
B
four
C
three
D
six
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Study the pedigree chart of a certain family given below and select the correct conculusion which can be drawn for the character – AIPMT 2010 Mains Biology - Principles of Inheritance and Variation Question 112 English
A
The trait under study could not be colourblindness
B
The female parent is heterozygous
C
The parents could not have had a normal daughter for this character
D
The male parent is homozygous dominant
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A cross in which an organism showing a dominant phenotype in crossed with the recessive parent in order to know its genotype is called -
A
Dihybrid cross
B
Back cross
C
Monohybrid cross
D
Test cross
4
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 -
A
rrrr
B
rr
C
Rr
D
RR
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