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What is crossing over ?...

What is crossing over ?

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### Step-by-Step Solution: 1. **Definition of Crossing Over**: - Crossing over is a biological process that occurs during meiosis, specifically in prophase I. It involves the exchange of genetic material between homologous chromosomes. 2. **Homologous Chromosomes**: - Homologous chromosomes are pairs of chromosomes that have the same genes at the same loci but may have different alleles. Each parent contributes one chromosome to the pair. ...
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