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Genetics MCQ Question with Answer

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

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Question No : 43
Linkage is

directly related to crossing over
same as translocation
inversely related to crossing over
opposite to segregation

Question No : 44
Diakinesis is characterised by

crossing over
synapse
chiasmata
terminalization

Question No : 45
Lethal genes are those which

cause the death of the organism in which they are present
cause the death of the homozygous infant being formed
cause the death of heterozygous infant being formed
all of the above

Question No : 46
Exhibition of superiority by a hybrid over both of its parents is called

heterosis
hybridization
hypostasis
dominance

Question No : 47
A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea plant If the plant is selfed, the genotype in the Fi generation is most likely to be

all tall
50% tall and 50% dwarf
all dwarf
data insufficient

Question No : 48
Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary in nature. Suppose T stands for dominant gene and t for recessive gene, the genetic make up of a person who cannot taste is

TT
Tt
tt
None of these

Question No : 49
The term 'meiosis' was coined bv

Herting and Van Beneden
Sutton and Boveri
Hofmeister and Waldeyer
Farmer and Moore

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