21. DNA from a bacterial strain that is his+ leut lac+ is used to transform a strain that is his leu lac". The following percentages of cells were transformed: a Donor Strain Recipient strain Genotype of transformed cells hist leu+ lact his-leu-lac- his+ leut lact hist leut lac- hist leu-lact his+ leu-lac- his-leut lac+ his leu lact his leut lac- Percentage 0.02 0.00 2.00 4.00 0.10 3.00 1.50 (a) What conclusions can you make about that order of these three genes on the chromosome? (b) Which two genes are closest?
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Answer:
in this question, we're asked to look at some data from the genetic mapping off bacterial chromosome by transformation in this, the donor DNA is positive for the following genes. Positive for hiss? No black. Where is the recipient is negative for each of thes. The information that we're given is the Gino type off transformed cells on the percentage of all cells that turned out to be that Gino type vast majority off the cells were not transformed it all. But looking at the data of those that were, we can draw some conclusions about the order of thes three genes on the bacterial chromosome on, defined out which of the two genes are closest. When looking at this kind of data, I recommend reorganizing the data to suit what you're looking for. In this case, you may wish to reorganize the data so you can see the highest percentage transformation Gino types in order.
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