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Chiasmatype theory states recombination occurs before chiasma formation. State whether it is true or false.

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Chiasmatype theory states recombination occurs before chiasma formation. State whether it is true or false.

(a) True

(b) False

The question was asked by my college director while I was bunking the class.

Asked question is from Linkage and Crossing Over topic in chapter Genetic Recombination of Cytogenetics

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The correct option is (a) True

Easiest explanation: It is stated in the chiasmatype theory, that strand breakage and reunion occurs prior to chiasma formation. Both sides of a chiasma represent a reduction division of chromatids. These recombination sites lead to the appearance of O shaped structures during anaphase.

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