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Biology LibreTexts

8: Patterns of Inheritance

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    • 8.1: Mendel’s Experiments
    • 8.2: Laws of Inheritance
    • 8.3: Extensions of the Laws of Inheritance
      According to Mendel’s law of independent assortment, genes sort independently of each other into gametes during meiosis. This occurs because chromosomes, on which the genes reside, assort independently during meiosis and crossovers cause most genes on the same chromosomes to also behave independently. When genes are located in close proximity on the same chromosome, their alleles tend to be inherited together. This results in offspring ratios that violate Mendel's law of independent assortment.

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