The yeast Saccharomyces cerevisiae can grow as haploid or diploid cells. You have two haploid yeast strains that each carry recessive mutations that affect regulation of the genes required for galactose metabolism. One strain has a deletion of the region of the genome on chromosome II that lies between the GAL1 and GAL10 genes (deltaUAS). The other strain carries a mutant allele of the GAL80 gene on chromosome XIII that produces no functional GAL80 protein.(c) You cross these two strains together to get diploid progeny. Write down the diploid genotype. Expression of the GAL1 and GAL10 genes in the progeny will beYou then induce meiosis to produce haploid progeny. Write down the haploid progeny genotypes.(d) What proportion of the haploid progeny (expressed as a decimal) will have permanently repressed expression of GAL1 and GAL10? (e) What proportion of the haploid progeny (expressed as a decimal) will have inducible expression of GAL1 and GAL10 in the presence of galactose? (f) What proportion of the haploid progeny (expressed as a decimal) will have contstitutive expression of GAL1 and GAL10?
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no it would not be effective against viruses. it'll only kill bacteria.
in case if you get a cold,it may help killing the bacteria which came along with the cold,but it doesn't cure the cold because it is caused by a virus.