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Unit 3 Part 1 - Chapter 15 (Chromosomal Inheritance)

Crossing over

- Morgan observed that although some genes are linked, nonparental allele combinations are still produced​ - He proposed that some process must occasionally break the physical connection between genes on the same chromosome​ - That mechanism was the crossing over of homologous chromosomes​

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- Morgan observed that although some genes are linked, nonparental allele combinations are still produced - He proposed that some process must occasionally break the physical connection between genes on the same chromosome - That mechanism was the crossing over of homologous chromosomes