– Post lab and Quiz questions. First the lab should get done and then the quiz.
– Lab documents and instructions are attached. the submission should be the solution to post lab, and you can use lab documents to get some idea or data.
POST LAB SHEETS TO COMPLETE
There are 3 Post Lab problems:
Drosophila melanogaster monohybrid cross – Trait A
Drosophila melanogaster monohybrid cross – Trait B
Zea Mays Di-Hybrid cross
TRAIT A: Drosophila Monohybrid Cross
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1.A. Report Data
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2.A. Perform Chi-square test for mutant ♀ vs mutant ♂ in 1:1 ratio in the F2 generation.
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3.A. Perform Chi-square test for normal vs mutant trait in 3:1 ratio in the F2 generation.
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4.A .Perform Chi-square test for normal vs mutant in 1:1 ratio in the F2 generation.
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5.A. What is the mode of inheritance?
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FILL OUT THE DATA STARTING HERE. WHEN YOU ARE DONE, COPY / PASTE THE SECTIONS INTO YOUR POST LAB ANSWER FOR DROSOPHILA TRAIT A. You can delete table rows that you do not use.
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Mutant Trait A: _______________
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1.A.Report your data HERE
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P1 ♀ Phenotype: _______________
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P1 ♂ Phenotype: _______________
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F1 Results
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|
Phenotype |
F1 ♀ |
F1 ♂ |
Total Phenotype |
|
|
Total |
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F2 Results
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|
Phenotype |
F1 ♀ |
F1 ♂ |
Total Phenotype |
|
|
Total |
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2A. Chi-square test for mutant ♀ vs mutant ♂ in 1:1 ratio in the F2
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|
Observed |
Observed |
Theoretical |
Expected |
( O – E )2 |
|
|
Phenotype |
Number |
Proportion |
Number |
O-E |
E |
|
O |
TP |
E = TP x total O |
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|
Total |
|
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Analysis:
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C 2 = _____________
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df = _____________
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P = _____________
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Conclusions:
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3.A. Chi-square test for normal vs mutant trait in 3:1 ratio in the F2 generation.
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|
Observed |
Observed |
Theoretical |
Expected |
( O – E )2 |
|
|
Phenotype |
Number |
Proportion |
Number |
O-E |
E |
|
O |
TP |
E = TP x total O |
|||
|
Total |
|
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Analysis:
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C 2 = _____________
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df = _____________
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P = _____________
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Conclusions:
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4.A. Chi-square test for normal vs mutant in 1:1 ratio in the F2
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|
Observed |
Observed |
Theoretical |
Expected |
( O – E )2 |
|
|
Phenotype |
Number |
Proportion |
Number |
O-E |
E |
|
O |
TP |
E = TP x total O |
|||
|
Total |
|
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Analysis:
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C 2 = _____________
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df = _____________
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P = _____________
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Conclusions:
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5.A. What is the mode of inheritance?
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