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allelic ladder stresses
biol.	локусспецифичные аллельные маркеры (Alex Lilo)
genet.	аллельный лэддер (Alex Lilo)
microbiol.	аллельная "лестница" (A size marker containing most or all of the known alleles in a given population, allowing direct comparison with sample DNA. a mixture of the most common STR alleles that are used to compare with the amplified samples. Alex Lilo)