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With independent assortment what is the probability

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Unformatted text preview: w, or 2 s-alleles in a row. But, what about heterozygotes? The Addi(on Rule: •  The probability of an event that can occur in two different ways is the sum of the individual probabili3es. •  Tossing two coins: there are 2 ways to get a heads/tail combina3on: toss heads 1st, then tails OR toss tails 1st, then heads ⇒(½ x ½) + (½ x ½) = ¼ + ¼ = ½ •  In F2, there are two ways gametes can combine to get a heterozygote [Ss (¼) or sS (¼)]; thus ¼ + ¼ = ½ Result: 1(SS):2(Ss):1(ss) ratio of genotypes; 3:...
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