In Drosophila, males from a true-breeding stock with raspberry-colored eyes were mated to females from a true-breeding stock with sable-colored bodies. In the F1 generation, all the females had wild-type eye and body color, while all the males had wild-type eye color but sable-colored bodies. When F1 males and females were mated to each other, the F2 was composed of: 216 females with wild-type eyes and wild-type bodies 223 females with wild-type eyes and sable bodies 191 males with wild-type eyes and sable bodies 188 males with raspberry eyes and wild-type bodies
In Drosophila, males from a true-breeding stock with raspberry-colored eyes were mated to females from a true-breeding stock with sable-colored bodies. In the F1 generation, all the females had wild-type eye and body color, while all the males had wild-type eye color but sable-colored bodies. When F1 males and females were mated to each other, the F2 was composed of:
216 females with wild-type eyes and wild-type bodies |
223 females with wild-type eyes and sable bodies |
191 males with wild-type eyes and sable bodies |
188 males with raspberry eyes and wild-type bodies |
23 males with wild-type eyes and bodies |
27 males with raspberry eyes and sable bodies |
Which statements are consistent with the above data? (Select all correct answers.)
The alleles causing the raspberry-colored eye and sable-colored body |
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The genes controlling raspberry-colored eyes and sable-colored bodies map approximately 11.7 cM apart |
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The genes controlling raspberry-colored eyes and sable-colored bodies are both on the Y chromosome |
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The genes controlling raspberry-colored eyes and sable-colored bodies are both on the X chromosome |
Drosophila:
Fly species belonging to the taxonomic order Diptera and family Drosophilidae include Drosophila melanogaster. The species is frequently referred to as the fruit fly, lesser fruit fly, vinegar fly, or pomace fly, though less frequently.
Due to its quick life cycle, straightforward genetics (only four pairs of chromosomes), and numerous offspring per generation, D. melanogaster is frequently used in research. Since all non-African lineages have a common ancestor, it was originally an African species. All continents, including islands, are included in its geographic range. A frequent pest in residences, eateries, and other locations where food is served is D. melanogaster.
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