NEET 2012 Biology question

During gamete formation, the enzyme recombinase participates during

(1)Prophase-II
(2)Metaphase-I
(3)Anaphase-II
(4)Prophase-ICorrect

Answer: (4)

Solution

Recombinase enzymes catalyse the breakage and rejoining of DNA segments in crossing over (recombination) between non-sister chromatids of homologous chromosomes. Crossing over occurs at the pachytene stage

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Question ID VK-091232