10. In Saccharomyces cerevisiae, cell type is determined by which genes are present at the MAT...

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Biology

10. In Saccharomyces cerevisiae, cell type is determined bywhich genes are present at the MAT locus. Describe the function ofthe a1, 1 and 2 proteins in each of the three cell types(a-haploids, -haploids and diploids).

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The yeast Saccharomyces cerevisiae is known to be a singlecelled eukaryote having a diploid as well as a haploid mode of existence The mating of yeast only occurs between haploids which can be either the a or alpha mating type and thus leads to display lsimple sexual differentiation Mating type is determined by a single locus MAT which in turn governs the sexual behaviour of both haploid and diploid cells Through a form of genetic recombination haploid yeast can switch mating type as often as every cell cycle The different sets of    See Answer
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