BIO207H5 Chapter Notes -Genetic Correlation, Genetic Linkage, Covariance

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28 Apr 2012
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Traits with only a few distinct phenotypes are called discontinuous traits (pea pod color) Norm of reaction: range of phenotypes produced by a particular genotype in different environments. Many traits (probably most) such as human birth weight and adult height, protein content in corn, and the number of eggs laid by drosophila, exhibit a wide range of possible phenotypes. Traits such as these, with a continuous distribution are called continuous traits. traits are also known as quantitative traits, and the field of quanititative genetics studies the inheritance of these traits. To what degree do alleles at the different loci interact with. In transmission genetics, we frequently determined the probability of inheriting a particular phenotype. With quantitative traits, however, individuals differ in the quantity of a trait so it makes no sense to ask about the probability of inheriting a continuous trait.

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