6 votes
Accepted

What is meant by 'identical alleles'?

These are just issues with singular and plural and whether you refer to individual copies or categories/types. Two of the same allele copies are the same allele (category/type). Two different alleles (...
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  • 36k
5 votes
Accepted

Disease-causing allele frequency and modern medicine

Yes, in principle, but it could take a very long time. Consider phenylketonuria, which is a severe genetic disease that is completely preventable by excluding phenylalanine from one's diet. Suppose ...
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  • 4,846
4 votes

What does the gene name "lexA" stand for?

Lee Theriot's X-ray sensitive mutant https://thebradentontimes.com/lee-frances-theriot-p24426-154.htm I was a postdoc with Joseph Greenberg working in the same field at the time
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3 votes
Accepted

How is a haploblock defined with only one SNP location?

Reading the methods In the methods, it is stated that haplotype blocks were inferred with the software Haploview: Genotype information for ESR1 and ESR2 and regions approximately 10 000 base pairs up-...
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3 votes

Non fluorescent DNA stain to visualize Drosophila polytene chromosomes

Giemsa stain should work. It is traditionally used in karyotyping staining. It results in G-banding.
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  • 6,888
2 votes

Incomplete dominance with gain-of-function allele

As a trivial example, one could use the epigenetic silencing of transformed reporter genes. Briefly: Genetic constructs are transformed into some organism (in this case, plants). These constructs ...
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1 vote

What is the difference between ‘classical’ and ‘non-classical’ pathogen resistance genes in plants?

I edited to reflect that the reference is to classic genes rather than to classic immunity. Note that this is not a formal definition but rather an informal way of talking about the state of the ...
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