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Question
For a pure culture of Saccharomyces cerevisiae cells that were all derived from a single cell to mate,
A) a mating-type switch in one or more cells in the culture must occur.
B) both the 
and the a gene must be fully expressed in the population.
C) the gene must be fully repressed in the population.
D) some cells must exist as diploids.
Answer
This answer is hidden. It contains 1 characters.
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