Chromosome 1 (X) Chromosome 2 Chromosome 3 Chromosome 4 Bent wing Cubitus veins Net veins Aristaless antenna Star eyes Held-out wings Yellow body Scute bristles White eyes *Facet eyes Echinus eyes Ruby eyes Crossveinless wings Cut wings Singed bristles 0.0 0.2 -Shaven hairs Grooveless scutellum Eyeless 0.0 0.0- Roughoid eyes Veinlet veins 0.0-- 1.5 3.0 1.3 4.0 5.5 13.0 Dumpy wings 16.5 Clot eyes 7.5 13.7 19.2- - Javelin bristles 20.0 21.0 27.7-tLozenge eyes 26.0 Sepia eyes 26.5 Hairy body 33.0-.- 36.1-- Miniature wings Vermilion eyes 41.0 Dichaete bristles - Thread arista 43.0 44.0 Sable body Garnet eyes 43.2- Black body Reduced bristles Purple eyes Short bristles Light eyes Cinnabar eyes Scabrous eyes Vestigial wings Scarlet eyes Pink eyes Curled wings Stubble bristles Spineless bristles Bithorax body Striped body Glass body Delta veins Hairless bristles 48.5 44.0 51.0 48.0 56.7. 57.0-: 59.5--- Forked bristles Bar eyes Fused veins -Carnation eyes -Bobbed hairs 54.5 50.0 54.8 58.2 55.0 57.5 58.5 58.7 62.5- 66.0-. 66.7 62.0 67.0- 63.0 66.2 69.5 Lobe eyes Curved wings 72.0 75.5 70.7 Ebony body Cardinal eyes 74.7 91.1 Rough eyes 100.5 Plexus wings 100.7- - Claret eyes 104.5 107.0 Brown eyes Speck body 106.2 Minute bristles 7.15 Drosophila melanogaster has four linkage groups corresponding to its four pairs of chromosomes. HL |

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter10: Cell Reproduction

Section: Chapter Questions

Problem 1VCQ: Figure 10.6 Which of the following is the correct order of events in mitosis? Sister chromatids line...

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Sepia eyes, spineless bristles, and striped body are three recessive mutations in Drosophila found on chromosome 3. A genetics student crosses a fly homozygous for the alleles encoding sepia eyes, spineless bristles, and striped body with a fly homozygous for the wild-type alleles—encoding red eyes, normal bristles, and solid body. The female progeny are then test-crossed with males that have sepia eyes, spineless bristles, and striped body. Assume that the interference between these genes is 0.2 and that 400 progeny flies are produced by the testcross. Based on the map distances provided in Figure , predict the phenotypes and proportions of the progeny resulting from the test cross.

Chromosome 1 (X)
Chromosome 2
Chromosome 3
Chromosome 4
Bent wing
Cubitus veins
Net veins
Aristaless antenna
Star eyes
Held-out wings
Yellow body
Scute bristles
White eyes
*Facet eyes
Echinus eyes
Ruby eyes
Crossveinless wings
Cut wings
Singed bristles
0.0
0.2
-Shaven hairs
Grooveless scutellum
Eyeless
0.0
0.0-
Roughoid eyes
Veinlet veins
0.0--
1.5
3.0
1.3
4.0
5.5
13.0 Dumpy wings
16.5 Clot eyes
7.5
13.7
19.2- - Javelin bristles
20.0
21.0
27.7-tLozenge eyes
26.0 Sepia eyes
26.5
Hairy body
33.0-.-
36.1-- Miniature wings
Vermilion eyes
41.0
Dichaete bristles
- Thread arista
43.0
44.0
Sable body
Garnet eyes
43.2-
Black body
Reduced bristles
Purple eyes
Short bristles
Light eyes
Cinnabar eyes
Scabrous eyes
Vestigial wings
Scarlet eyes
Pink eyes
Curled wings
Stubble bristles
Spineless bristles
Bithorax body
Striped body
Glass body
Delta veins
Hairless bristles
48.5
44.0
51.0
48.0
56.7.
57.0-:
59.5---
Forked bristles
Bar eyes
Fused veins
-Carnation eyes
-Bobbed hairs
54.5
50.0
54.8
58.2
55.0
57.5
58.5
58.7
62.5-
66.0-.
66.7
62.0
67.0-
63.0
66.2
69.5
Lobe eyes
Curved wings
72.0
75.5
70.7
Ebony body
Cardinal eyes
74.7
91.1 Rough eyes
100.5
Plexus wings
100.7- - Claret eyes
104.5
107.0
Brown eyes
Speck body
106.2
Minute bristles
7.15 Drosophila melanogaster has four linkage groups corresponding to its
four pairs of chromosomes.
HL |

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