alleryGenetic recombination (crossing over) occurs between homologous chromosomes during which process?
AGlycolysis step
BMitosis prophase
CMeiosis-I
DCytokinesis stage
Answer & Solution
Correct answer: C. Meiosis-I
1. Meiosis is completed through meiosis-I and meiosis-II.
2. In meiosis-I, recombination or crossing over occurs between homologous chromosomes.
3. Mitosis does not involve crossing over, so its prophase is ruled out.
4. This is why the four daughter cells of meiosis are genetically different.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 2 "Life Processes in Living Organisms Part 1", p.28_
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