51.   Now that researchers have found the general site of the gene, they will try to identify the specific gene involved.

a. + gene >>共 599
human 9.94%
new 4.03%
single 3.81%
defective 3.26%
mutated 2.57%
same 2.44%
specific 2.19%
mutant 2.19%
different 1.80%
responsible 1.59%
specific + n. >>共 995
plan 1.90%
date 1.79%
area 1.55%
figure 1.54%
target 1.45%
proposal 1.44%
issue 1.41%
case 1.34%
number 1.33%
detail 1.26%
gene 0.35%
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