The pedigree below shows inheritance of an X-linked trait in a family. Based on the inheritance pattern, what is the gen
Posted: Thu Jun 30, 2022 6:35 pm
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The pedigree below shows inheritance of an X-linked trait in a family. Based on the inheritance pattern, what is the genotype of the person in generation I (first generation), letter b? Generation: 11 E 111 d OOOD O
Rana Gaber submitted Jun 29 at 5:56pm III x" y xnxn XNY XNXn f B
ments nts In chickens, a pea comb (P) is dominant over a single comb (p), and brown feathers (B) are dominant over white feathers (b). A brown chicken with a pea comb is mated with a white chicken with a single comb, producing heterozygous F1 offspring. These F1 chickens are then mated to each other and produce the F2 offspring in the table below. F2 Offspring Phenotype Brown, Pea comb Brown, Single comb White, Pea comb White, Single comb Total: #Observed (0) 120 20 30 10 180 # Expected (E) O-E (O-E)² (O-E)2 /E MacBook Pro Chi-squared: a) On your own paper, calculate the Chi-squared value for this data set. Round the EXPECTED values to WHOLE NUMBERS, then round to two decimal places along the way, and enter the Chi-squared value (to two decimal places) here: b) How many degrees of freedom are in this data set? Enter the number here: (enter just the number, nothing else) c) Now use the table below to determine the p value.
vas Technology Services | VCU Phenotype Brown, Pea comb Brown, Single comb White, Pea comb White, Single comb Total: (0) 120 20 30 10 180 (E) O-E (O-E)* (O - E)* /E a) On your own paper, calculate the Chi-squared value for this data set. Round the EXPECTED values to WHOLE NUMBERS, then round to two decimal places along the way, and enter the Chi-squared value (to two decimal places) here: <p< Chi-squared: b) How many degrees of freedom are in this data set? Enter the number here: (enter just the number, nothing else) c) Now use the table below to determine the p value. Enter the range for the p value here: (Note that the p values get smaller as we move to the right.) d) Based on this p value, are the observed results significantly different from the expected (Mendelian) numbers? (This is a yes or no answer). Enter your answer here: Quiz: Exam 1-PART 1