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Question
Crossing over occurs at
Crossing over occurs at
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Solution
The correct option is D four-stranded stage of chromosomes
Crossing over is the exchange of genetic material between two homologous chromosomes. It occurs during pachytene stage characterised by the appearance of tetrads in which chromosomes are four-stranded.
Crossing over is the exchange of genetic material between two homologous chromosomes. It occurs during pachytene stage characterised by the appearance of tetrads in which chromosomes are four-stranded.
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