1.

What is chiasmata ? State its significance.

Answer»

Dissolution of synaptonemal complex occurs and the recombined chromosomes separate from each other except at the sites of crossing over. These X-shaped structures are called chiasmata.

Significance of Chiasmata : The genetic constitution of the daughter cells differs from the parent cells due to crossing over. There is a mixture of paternal and maternal gene in each chromosome of daughter cells mostly.



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