Discontinuous and Continuous Variation

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  • CONTINUOUS AND DISCONTINUOUS VARIATION
    • DISCONTINUOUS
      • This describes the qualitative differences between phenotypes
        • These differences fall into clearly distinguishable categories
          • Either male or female, blood group A, B, O or AB
    • Both types of variation may be the result of more than one gene
      • In discontinuous variation if more than one gene is involved, they react in an epistatic way
        • DISCONTINUOUS
          • This describes the qualitative differences between phenotypes
            • These differences fall into clearly distinguishable categories
              • Either male or female, blood group A, B, O or AB
  • CONTINUOUS
    • CONTINUOUS AND DISCONTINUOUS VARIATION
      • Both types of variation may be the result of more than one gene
        • In discontinuous variation if more than one gene is involved, they react in an epistatic way
      • This describes the quantitative differences between phenotypes
        • These are phenotypic differences where there is a wide range of variation and no distinct categories
          • Height, mass, cob length in maize, egg size

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