A Corn Plant Known to Be Hybrid for Three Linked

Multiple Choice

A corn plant known to be hybrid for three linked genes is testcrossed.The progeny phenotypes and frequencies are: $$\begin{array} { | l | l | } \hline + + + & 74 \\\hline a b c & 70 \\\hline a + + & 44 \\\hline + b c & 50 \\\hline + + c & 4 \\\hline a b + & 2 \\\hline a + c & 368 \\\hline + b + & 388 \\\hline\end{array}$$
The coefficient of coincidence in this genomic region is:

A) 0.06.
B) 0.15.
C) 0.40.
D) 0.44.
E) 1.36 .