6.1 Chromosomes and Meiosis
6.1 Chromosomes and Meiosis
6.1 Chromosomes and Meiosis
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<strong>6.1</strong> <strong>Chromosomes</strong> <strong>and</strong> <strong>Meiosis</strong>Prophase I – crossing over• Chromatids are wrapped sotightly the chromosomescan actually break <strong>and</strong>exchange genetic materialin a process known ascrossing over.• Crossing over results innew combinations of alleleson a chromosome.