A) due to crossing over of some part between homologous chromosomes
B) due to crossing over of some part between non homologous chromosomes
C) due to duplication of homologous and non-homologous chromosomes
D) due to loss of some part of chromosomes
Correct Answer: A
Solution :
During diplotene sub stage of meiotic division the force of attraction between homologous chromosomes lessen and they move apart. They do not separate completely but are held together at one or more points called chiasmata.
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