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wrote...
Express Lane Plus
Posts: 485
Rep: 2 0
A week ago
In fruit flies, “straight wings” (S) is dominant over “curly wings” (s), and gray body color (G) is dominant over black body color (g). A straight-winged female with gray body color was mated with a straight-winged male with black body color and the following ratios of offspring resulted. The experiment was conducted at 25°C.
Ratio
Phenotype
3/8
straight-winged; gray body color
3/8
straight-winged; black body color
1/8
curly-winged; gray body color
1/8
curly-winged; black body color
The data above suggest that the genotype of the male parent is
(A) SsGg
(B) SSGg
(C) ssgg
(D) Ssgg
(E) ssGg
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3 Replies
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wrote...
Staff Member
A week ago
(D) Ssgg
- Master of Science in Biology
- Bachelor of Science (Biology)
- Bachelor of Education
wrote...
Express Lane Plus
A week ago

it was ssgg
wrote...
Staff Member
A week ago
I disagree

In fruit flies, "straight wings" (S) is dominant over "curly wings" (s), and gray body color (G) is dominant over black body color (g). A straight-winged female with gray body color was mated with a straight-winged male with black body color and the following ratios of offspring resulted. The experiment was conducted at 25°C.

Ratio Phenotype
3/8 straight-winged; gray body color
3/8 straight-winged; black body color
1/8 curly-winged; gray body color
1/8 curly-winged; black body color
The data above suggest that the genotype of the male parent is

For this it's Ssgg

In fruit flies, "straight wings" (S) is dominant over "curly wings" (s), and gray body color (G) is dominant over black body color (g). A straight-winged female with gray body color was mated with a straight-winged male with black body color and the following ratios of offspring resulted. The experiment was conducted at 25°C.

Ratio Phenotype
3/8 straight-winged; gray body color
3/8 straight-winged; black body color
1/8 curly-winged; gray body color
1/8 curly-winged; black body color
The data above suggest that the genotype of the offspring with curly wings and black body color is

For this it's ssgg
- Master of Science in Biology
- Bachelor of Science (Biology)
- Bachelor of Education
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