Question

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Explain the significance of crossing over .

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Answer 1

Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.

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Answer 2

Here's the Answer :

Significance of Crossing Over :

• Crossing brings new combination of gene which are different from parents thus introduces variation .

• It establishes that genes occur in a linear fashion over the chromosome.

• The rarity ot abundance of a particular combination of genes is known from frequency of crossing over .

• Useful recombinations are picked up by breeders for development of improved varieties

• The frequency of crossing over is used for building linkage maps or Chromosome maps .

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