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Fundamentals of Genetics — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyFundamentals of Genetics1 Mark
Question
What is crossing-over? What are the factors affecting it?
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Answer

Crossing-over is the interchange of the parts of the chromatid of a pair of chromosomes. High temperature, X-rays and radiation treatment are the factors affecting crossing-over.

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