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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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lex lex
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11 years ago
If a chromosome has the following gene loci from top to bottom: A B C D E F G H I , and the DEF is inverted to FED.  Will the gene F (example originally coding for eye color) still code for eye color after inversion? Or will it code for another trait?

The Gene F still remains as gene F even though its position on the chromosome has been switched.

Please help if you know the answer!

Thanks.
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rkay9241rkay9241
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11 years ago
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11 years ago
It should continue to work just fine, as long as the entire gene - coding and noncoding sequences alike - gets inverted intact.  That means you need the promoter and whatever enhancers may be acting, and those can be located quite far away.  Generally speaking, the only genes that are seriously affected by an inversion are those located right at the two breakpoints.
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