Genetic Mapping of Drosophila Melanogaster
Autor: Sara17 • October 19, 2018 • 2,206 Words (9 Pages) • 529 Views
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249+218/979= 0.477017365
0.477017365 x 100= 47.7 mu
ParentsFemale x Male
+ (Wild Type) x PR, AP (Purple - eye colour & Apterous - wing size)
Table 4: F2 Progeny Ratios
Phenotype & Genotype
Number
Proportion
Ratio
+ (Wild Type)
3
0.0031
1.000
PR (Purple)
497
0.5129
165.667
AP (Apterous)
464
0.4788
154.667
PR & AP (Purple & Apterous)
5
0.0052
1.667
Total:
969
Recombinant Value:Parent 1= 497 Parent 2= 464 Recombinant 1= 5 Recombinant 2= 3
5+3/969= 0.008255934
0.008255934 x 100= 0.83 mu
ParentsFemale x Male
+ (Wild Type) x PR, VG (Purple - eye colour & Vestigial - wing size)
Table 5: F2 Progeny Ratios
Phenotype & Genotype
Number
Proportion
Ratio
+ + +
(Wild Type - WT)
61
0.0622
1.452
PR, + +
(Purple, WT, WT)
447
0.4557
10.643
VG, + +
(Vestigial, WT, WT)
431
0.4393
10.262
PR, VG, +
(Purple, Vestigial, WT)
42
0.0428
1.000
Total:
981
Recombinant Value:Parent 1= 447 Parent 2= 431 Recombinant 1= 61 Recombinant 2= 42
61+42/981=0.104994903
0.104994903 x 100= 10.5 mu
ParentsFemale x Male
+ (Wild Type) x PR, DP (Purple - eye colour & Dumpy - wing shape)
Table 6: F2 Progeny Ratios
Phenotype & Genotype
Number
Proportion
Ratio
+ + +
(Wild Type -WT)
143
0.1423
1.000
PR, + +
(Purple, WT, WT)
375
0.3731
2.622
DP, + +
(Dumpy, WT, WT)
344
0.3423
2.406
PR, DP, +
(Purple, Dumpy, WT)
143
0.1423
1.000
Total:
1005
Recombinant Value:Parent 1= 375 Parent 2= 344 Recombinant 1= 143 Recombinant 2= 143
143+143/1005= 0.284577114
0.284577114 x 100= 28.5 mu
ParentsFemale x Male
+ (Wild Type) x PR, RI (Purple - eye colour & Radius Incompletus - wing vein)
Table 7: F2 Progeny Ratios
Phenotype & Genotype
Number
Proportion
Ratio
+ + +
(Wild Type - WT)
246
0.2541
1.070
PR, + +
(Purple, WT, WT)
243
0.2510
1.057
RI, + +
(Radius Incompletus, WT, WT)
249
0.2572
1.083
PR, RI, +
(Purple, Radius Incompletus, WT)
230
0.2376
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