Cross C: Homozygote wild type flies (+/+) were crossed with white eye flies. for the F1 and F2 generations. Wild type White eye White eye females Wild type males females males 50 50 F1 phenotypes (observed) F2 phenotypes (observed) F2 - expected 60 60 60 60 phenotypes What does the F1 tell you about the trait? Is the gene on an autosome or sex chromosome? What was the genotypes of each parent, male and female? What are the genotypes of the F1 flies?
Cross C: Homozygote wild type flies (+/+) were crossed with white eye flies. for the F1 and F2 generations. Wild type White eye White eye females Wild type males females males 50 50 F1 phenotypes (observed) F2 phenotypes (observed) F2 - expected 60 60 60 60 phenotypes What does the F1 tell you about the trait? Is the gene on an autosome or sex chromosome? What was the genotypes of each parent, male and female? What are the genotypes of the F1 flies?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Transcribed Image Text:Cross C: Homozygote wild type flies (+/+) were crossed with white eye flies. The table shows the results
for the F1 and F2 generations.
White eye females
Wild type
females
White eye
males
Wild type males
50
F1 phenotypes
(observed)
F2 phenotypes
(observed)
F2 - expected
phenotypes
50
60
60
60
60
What does the F1 tell you about the trait?
Is the gene on an autosome or sex chromosome?
What was the genotypes of each parent, male and female?
What are the genotypes of the F1 flies?
The F1 were crossed with each other and the phenotypes found in F2 are shown in the table above.
Are these results consistent with the F1 and your theory of inheritance of this gene?
Do a X2 test to see if the observed numbers are consistent with your theory.
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