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DNA markers & Quantitative Variation

Dna markers and individual variation dna y chromosome

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Unformatted text preview: s among different populations and seems to be related to the amount of starch in the traditional diet. DNA Markers and Individual Variation DNA • Y chromosome markers can come from any male in the same lineage. • Autosomal markers more likely to vary, because of independent assortment during meiosis. Thomas Thomas Jefferson Jefferson Jesse Jesse James James Quantitative Trait Variation Quantitative • Quantitative trait = continuous trait. • They are coded for by multiple genes: They polygenic. polygenic. • Anything that can be measured by Anything quantity is a polygenic trait. quantity • Continuous variation is Continuous possible because of heteropossible zygosity. zygosity. Example: height Heritability Heritability • What proport...
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