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9 Cards in this Set
- Front
- Back
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Who discovered polygenic inheritance?
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Gregor Mendel
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How did Gregor Mendel discover polygenic inheritance?
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He discovered it when crossing beans that had different colored flowers and discovered that some of the flowers had mixed colors and different shades.
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What is Polygenic inheritance?
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That there are two and three genes that are involved with a phenotype
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What is continuous variation?
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When there are grades of variation between two extremes.
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What is one example of polygenic inheritance?
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Skin color, grain color.
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How is skin color an example of polygenic inheritance?
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Human skin color depends on the amount of melanin. The amount of melanin is controled by multiple genes.
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As the number of genes involved increase in polygenic inheritance, what will happen?
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The number of phenotypes increases.
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Most______ involve more than two genes with co dominant alleles.
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polygenic inheritance
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What do the alleles in regards to different skin color do in polygenic inheritance?
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There are alleles that promote melanin production and alleles that do not.
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