Inherittance — Biology MCQs (Class 12)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
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#9 Wich one of the following blood group is a universal recipient?
A) O
B) AB
C) A
D) B
#10 In a cross Ttx Tt, what %age of offsprings will have genotype as their parents
A) 100%
B) 50%
C) 25%
D) 0%
#11 Three alleles are responsible for A, B, AB and O blood groups, how many genotypes are possible for this
A) 2
B) 4
C) 6
D) 8
#12 What happens when both alleles of a gene pair independently express in a heterozygote
A) Dominance
B) Incomplete dominance
C) Co-dominance
D) Epistasis
#13 A person with neither antibody A nor antibody B in his plasma has the blood group
A) O
B) AB
C) A
D) B
#14 The ovum determines the sex of the baby in
A) Human
B) Drosophila
C) Birds
D) None of these
#15 For the girl to be color blind
A) Mother must be color blind
B) Father must be color blind
C) Both father and mother must be color blind
D) None of these
#16 A color blind man married a normal woman who is heterozygous for color blind. What is the probability that the daughter will be color blind.
A) 1/8
B) 1/4
C) 1/2
D) 0
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