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Principles Of Inheritance And Variation

Question
CBSEENBI12047113
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When two mutations are located in the same functional unit or in different functional units, then it is confirmed by :

  • test cross

  • back cross

  • reciprocal cross

  • complementation test

Solution

D.

complementation test

The functional allelism of any two recessive mutations is determined experimentally by cis-trans or complementation test. Complementry genes are two or more dominant genes which occur in different loci of the same or different chromosomes interact with one another to produce a character but neither of them produces that character in the absence of the other.

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