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BIOLOGY CH18 Organization of Tissues — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceBIOLOGY CH18 Organization of Tissues2 Marks
Question
What is crossing over?
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Answer

During pachytene of mieotic prophase I, the chromatids break and the broken segments are interchanged between homologous chromosomes. The points of exchange are the chiasmata. This is called .crossing over.

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