Number of flies observed Percentage of flies expected Number of flies expected Wildtype Males Wildtype Females Mutant Males Mutant Females Row totals (this should equal 100%) (this should equal the total number of observed flies)
Number of flies observed Percentage of flies expected Number of flies expected Wildtype Males Wildtype Females Mutant Males Mutant Females Row totals (this should equal 100%) (this should equal the total number of observed flies)
Chapter2: Multiplication And Division Of Decimals
Section: Chapter Questions
Problem 6.6P
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Question
You believe that the gene you're investigating, eyes absent, is an autosomal recessive mutant allele F7 ge in Drosophila. You set up a cross between a true-breeding mutant male and a true-breeding wildtype female to obtain the F1 generation. You then cross the F1 flies. In the F2 offspring, you observe the following:
237 wild-type males
180 wild-type females
70 mutant males
83 mutant females
Based on these findings, is the mutant allele autosomal recessive? How do you know?
Transcribed Image Text:Number of flies
observed
Percentage of flies
expected
Number of flies
expected
Wildtype
Males
Wildtype
Females
Mutant
Males
Mutant
Females
Row totals
(this should equal 100%)
(this should equal the total
number of observed flies)
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