day_5_unit_5 - Warm Up AS video A pedigree is a genetic...

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Warm Up:
AS video: A pedigree is a genetic representation of a family tree that diagrams the inheritance of a trait or disease though several generations. The pedigree shows the relationships between family members and indicates which individuals express or silently carry the trait in question. Determine if the trait of interest is dominant or recessive. If the trait of interest is dominant, then individuals on the pedigree that have trait will have their shapes shaded. ... The genotype of recessive individuals will be represented by to lower case alleles. Pedigree Practice problems:
Polygenic worksheet: Differences in skin color are largely due to differences in the amount of melanin, a dark pigment produced by skin cells. At least three genes control the synthesis of melanin. Each gene has two forms: an allele for high melanin production, or dark skin (A,B,C), and an allele for low melanin production, or light skin (a,b,c). Each dark skin allele

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