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In Drosophila, seven partial deletions (1 to 7) shown as gaps in the diagram below have been mapped on a chromosome. This region of the chromosome contains genes that express seven recessive mutant phenotypes, identified in the following table as a through g.
A researcher wants to determine the location and order of genes on the chromosome, so he sets up a series of crosses in which flies homozygous for a mutant allele are crossed with flies that are homozygous for a partial deletion. The progeny are scored to determine whether they have the mutant phenotype (“m” in the table), or the wild-type phenotype (“+” in the table).

Part A
Use the partial deletion map and the table of progeny phenotypes to determine the order of genes on the chromosome.
Order the genes on the chromosome from left to right according to the diagram and data provided.

The answer can be found here: [Solved] Use the partial deletion map and the table of progeny phenotypes to determine (https://biology-forums.com/index.php?topic=154834)

thank you

Post Merge: 9 years ago

Thank you!

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