Conduct a chi square test for each of the following null hypotheses. Fill in the
ID: 208553 • Letter: C
Question
Conduct a chi square test for each of the following null hypotheses. Fill in the final chi square values for each test below. Please enter two decimal places
1. Random Segregation at the Bristle locus
2. Random Segregation at the Wing locus
3. Random Segregation at the Eye locus
1. Normal Eyes; Normal Bristles; Normal Normal Normal Lozenge 3. Normal Eyes; Normal Eyes; Singed Eyes; Normal Eyes; Singed Eyes; Singed Eyes; Normal Eyes; Singed Bristles; Normal Lozenge7. Lozenge 8. Lozenge Bristles Normal Bristles; Bristles; Scalloped Scalloped Normal ings Bristles Scalloped Scalloped Bristles; Bristles; otal ngs ings ings ngs ngs ngs ngs 5249 23 456 3 112 1384 89 2850 11486Explanation / Answer
Total population is 11486. In case of ideal segregation, there we must get even distribution of individuals after cross. Here we must get 27:9:9:9:3:3:3:1 in F2 progeny.
Total progenies
Observed (O)
Expected (E)
O-E
(O-E)2
(O-E)2 / E
Wild type dominant
5249
4846
403
162409
33.51
2nd
223
1615
1392
1937664
1199.8
3rd
456
1615
1159
1343281
831.75
Now you can perform the whole procedure from the given ratio. However, the most important that the result is not significant as the value of chi square is exceeding much high.
Total progenies
Observed (O)
Expected (E)
O-E
(O-E)2
(O-E)2 / E
Wild type dominant
5249
4846
403
162409
33.51
2nd
223
1615
1392
1937664
1199.8
3rd
456
1615
1159
1343281
831.75
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