Consider the following bacterial transformation experiment: DNA is taken from th

Question

Consider the following bacterial transformation experiment: DNA is taken from the donor strain and mixed with the recipient strain. Cells are selected for (a+). These cells are then tested to determine if they are (b+) or (c+). The results are shown below:

donor: a+ b+ c+

recipient: a- b- c-

selected marker: a+

What is the order of the genes?

Question 17 options:

c - a - b

a - c - b

a - b - c

The data are insufficient to determine the order of the genes.

Explanation / Answer

Ans:

The data is not sufficient to answer this question.

However, the propable answer is a-c-b

Because, the marker used here is a+ and the number of colonies with a+ and c- are more so. the order of the gene may be a-c-b

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