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Genetics MCQ - Multiple Choice Question and Answer

Genetics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
DNA duplication occurs in

meiosis only
meiosis II and mitosis
mitosis only
meiosis I and mitosis

Question No : 9
A giant chromosome having many chromo-nemata lying side by side all along their length is called

megachromosome
heterosome
polytene chromosome
super numerary chromosome

Question No : 10
Base substitutions from base analogues I are called

transitions
transversions
intragenic complimentation
intergenic complimentation

Question No : 11
Transfer of a gene or genes through a virus is called

transformation
transduction
genetic engineering
sex-duction

Question No : 12
Which one of the following chemical characteristics is not common to all living beings ?

Similar triplet codes for amino acids
Energy is stored by high energy rich phosphate bonds
Types of protein present in the body.
Ribosomes act at sites of protein synthesis

Question No : 13
A colour-blind man marries the daughter of a colour-blind person. In their progeny

none of her daughters are colour-blind
all her sons are colour-blind
all her daughters are colour-blind
half of her sons are colour-blind

Question No : 14
The condition in which only one allele of a pair is present is known as

Homozygous
Heterozygous
Hemizygous
Incomplete dominance