A Transduction Experiment Was Conducted Using a Prototrophic Donor and a Recipient

question 14

Essay

A transduction experiment was conducted using a prototrophic donor and a recipient that was auxotrophic for lys,arg,and trp.Selection was done for trp⁺ transductants.The trp⁺ transductants could be categorized into the following classes:
$$\begin{array} { | c | c | } \hline \text { Genotype } & \text { Number } \\\hline \text { lys } ^ { + } a r g^ { - } t r p ^ { + } & 10 \\\hline \text { lys}^ { - } arg ^ { + } t p ^ { + } & 13 \\\hline \text { lys} ^ { - } arg^ { - } trp ^ { + } & 82 \\\hline \text { lys } ^ { + } a r g^ + t r p ^ { + } & 1 \\\hline\end{array}$$
a)Which marker is closest to trp? Explain your reasoning.
b)What is the order of the three markers? Explain your reasoning.

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