Critical Values of the Chi-Squared Distribution Degrees of Freedom (df) Probability (p) I 2 3 4 5 0.05 3.84 5.99 7.82 9.49 II.I The formula for Chi-squared is: where o observed number of individuals e=expected number of individuals x²-Σ[10-017] Σ= the sum of the values (in this case, the differences, squared, divided by the number expected) In fruit flies, the phenotype for eye color is determined by a certain locus. E indicates the dominant allele and e indicates the recessive allele. The cross between a male wild-type fruit fly and a female white-eyed fruit fly produced the following offspring. Wild-type Male Wild-type Female White-eyed Male White-eyed Female Brown-eyed Female Fl 0 45 55 0 1 The wild-type and white-eyed individuals from the F1 generation were then crossed to produce the following offspring. F2 23 31 22 22 24 24 0

Critical Values of the Chi-Squared Distribution Degrees of Freedom (df) Probability (p) I 2 3 4 5 0.05 3.84 5.99 7.82 9.49 II.I The formula for Chi-squared is: where o observed number of individuals e=expected number of individuals x²-Σ[10-017] Σ= the sum of the values (in this case, the differences, squared, divided by the number expected) In fruit flies, the phenotype for eye color is determined by a certain locus. E indicates the dominant allele and e indicates the recessive allele. The cross between a male wild-type fruit fly and a female white-eyed fruit fly produced the following offspring. Wild-type Male Wild-type Female White-eyed Male White-eyed Female Brown-eyed Female Fl 0 45 55 0 1 The wild-type and white-eyed individuals from the F1 generation were then crossed to produce the following offspring. F2 23 31 22 22 24 24 0

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter4: Pedigree Analysis In Human Genetics

Section: Chapter Questions

Problem 26QP

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