kaitlyn7077
04.12.2019 •
Biology
Consider the following experiment. first, large populations of two mutant strains of escherichia coli are mixed, each requiring a different, single amino acid. after plating them onto a minimal medium, 45 colonies grew. which of the following may explain this result?
a) the colonies may be due to back mutation (reversion).
b) the colonies may be due to recombination.
c) either a or b is possible.
d) neither a nor b is possible.
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