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categoryأحياء schoolبكالوريوس event_available2026-07-13

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Problem 4. In dogs, dark coat color is dominant over albino and short hair is dominant over long hair. Assume that these effects are caused by two independently assorting genes, and write, using the space within the table the genotypes of the parents in each of the crosses shown here, in which D and A stand for the dark and albino phenotypes, respectively, and S and L stand for the short-hair and long-hair phenotypes. Use the symbols A and a for the dark and albino coat- color alleles and the symbols B and b for the short-hair and long-hair alleles, respectively. Number of progeny Parental phenotypes Genotypes D, S D, L A, S A, L Probab a. D, S x D, S X 89 31 29 11 b. D, S x D, L X 18 19 0 c. D, S× A, S X 20 0 d. A, S× A, S X 0 0 28 e. D, L x D, L X 0 32 。Ń ཨྰ。 0 21 0 9 10 f. D, S x D, S X 46 16 0 0 g. D, S x D, L X 30 31 9 11 In the column Probab indicate, for each cross, the probability of getting albino dogs with long hair. How many different genotypes are produced from cross d? Write down the genotypic segregations from cross d: How many different genotypes are produced from cross g? Write down the genotypic segregations from cross g:

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