Fly Lab Notes

Results of Cross #1

Parents

(Female: +) x (Male: SE)

Offspring

Phenotype Number Proportion Ratio

Female: + 5014 0.5049 1.020

Male: + 4917 0.4951 1.000

Total 9931

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Results of Cross #2

Parents

(Female: +) x (Male: +)

Offspring

Phenotype Number Proportion Ratio

Female: + 3810 0.3796 3.075

Male: + 3742 0.3728 3.020

Female: SE 1246 0.1241 1.006

Male: SE 1239 0.1234 1.000

Total 10037

Chi Square Hypothesis Using Cross #2

Ignoring Sex

Phenotype Observed Hypothesis Expected Chi-Square Term

+ 7552 3.0000 7527.7500 0.0781

SE 2485 1.0000 2509.2500 0.2344

Total 10037 4.0000 10037.0000 0.3125

Chi-Squared Test Statistic = 0.3125

Degrees of Freedom = 1

Level of Significance = 0.5762

Recommendation: Do not reject your hypothesis

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