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Question

The contrasting pairs of factors in Mendelian crosses are called

A
Multiple alleles
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B
Allelomorphs/Alleles
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C
Alloloci
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D
Paramorphs
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Solution

The correct option is B Allelomorphs/Alleles

A.Multiple alleles – Presence of more than two alleles for a gene is called Multiple alleles.

B.Allelomorphs/Alleles – An alternative form of a character in a pair is called allele

C.Alloloci – Allels with different loci.

D.Paramorphs - A kind of pseudomorph in which there has been a change of physical characteristics without alteration of chemical composition.
So, correct option is ‘Allelomorphs’alleles’.

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