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How would you find out which gene is causing a specific phenotype in Drosophila through crosses only?

Not sure if this is what they'd be looking for, but if you were allowed to do research ahead of time you could select a few genes that you think might be involved in this behaviour, then use RNAi and ...
Real Fly's user avatar
2 votes
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Can phenotype change without change in genotype?

The Logical fallacy ‘Phenotype’ is defined [by the poster] as the morphological expression of characters on the basis of genetic constitution/genotype There is no reason to accept this particular ...
David's user avatar
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2 votes

Can phenotype change without change in genotype?

Yes, phenotype maps only noisily onto genotype. I recommend looking into the concept of phenotypic plasticity. For example, temperature or food availability has regularly been used to alter phenotypes ...
Maximilian Press's user avatar
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Can phenotype change without change in genotype?

Skin color is a polygenic trait. This means that it is controlled by multiple genes. (This can make it a little more complicated than some of the traits you learn about in your introductory classes). ...
MakM's user avatar
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3 votes

identification of most Active gene/protein isoform

While David has a point that for specific genes you should look at in vivo data, significant amounts of work has been done to identify representative transcripts, often using direct experimental ...
Maximilian Press's user avatar
10 votes
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Are there any completely, or 'true', Mendelian traits that do not display any polygeny at all?

George Box is credited with the aphorism "All models are wrong, but some are useful" in the context of statistics, but the same concept applies to concepts like Mendelianism which are also ...
Bryan Krause's user avatar
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