What are chiasmata ? State their significance.

Explanation

1. Chiasmata : These are the the points of crossing of two non-sister chromatids of homologous chromosomes during prophase I of meiosis.
2. Significance of Chiasmata :
(i) The genetic constitution of the daughter cells differs from the parent cells due to crossing over.
(ii) These is a mixture of paternal and maternal genes in areas of crossing over.