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alina1380 [7]
3 years ago
6

A student in a biology class crossed a male Drosophila melanogaster having a gray body and long wings with a female D. melanogas

ter having a black body and apterous wings. The following distribution of traits was observed in the offspring Number of Offspring 42 Phenotype Gray body, long wings Black body, apterous wings 41 Gray body, apterous wings 9 Black body Iong wings Which of the following is supported by the data? (A) The alleles for gray body and long wings are dominant. (B) The alleles for gray body and long wings are recessive. (C) Genes for the two traits are located on two different chromosomes, and independent assortment occurred D) Genes for the two traits are located close together on the same chromosome, and crossing over occurred between the two gene loci.
Biology
1 answer:
natulia [17]3 years ago
6 0

Answer:

Answer is D "Genes for the two traits are located close together on the same chromosome, and crossing over occurred between the two gene loci"

Explanation:

Traits are distinguishing characteristics of an organism. The Phenotypic crossing of the Drosophila melanogaster specie with Gray body and long wings over that of the same specie but female with black body and apterous wings produced a total of 100 offspring, which showed a that genetic crossing were done on the closely related chromosomes of the body traits for the individual species.

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