Biology, 01.12.2021 22:00 shawny5

a researcher has sequenced a gene that is present in two alleles. she has a mixture of both alleles and clones them into e. coli using plasmids that contain the lacz gene. she is interested in one particular allele that is indicated in a disease. using media containing x-gal, how can she select those colonies that have her allele of interest?

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