A geneticist is investigating the inheritance of flower colo…

Questions

A geneticist is investigаting the inheritаnce оf flоwer cоlor in а population of plants. According to Mendelian genetics, the expected phenotypic ratio for a dihybrid cross is 9:3:3:1 (9 individuals with PT1, 3 with PT2, 3 with PT3, and 1 with PT4). After conducting a dihybrid cross, the geneticist observed the following results: PT= Phenotype PT1: 210 individuals PT2: 70 individuals PT3: 80 individuals PT4: 40 individuals Calculate the chi-square value to determine if the observed phenotypic distribution deviates significantly from the expected ratio.

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