41.   The idea is to keep their potentially vital genetic traits available, so they are grown at the slowest possible pace.

a. + trait >>共 309
genetic 5.44%
common 4.91%
human 4.52%
same 2.66%
important 1.99%
desirable 1.86%
personal 1.86%
desired 1.59%
specific 1.33%
unusual 1.33%
genetic + n. >>共 576
material 7.88%
test 4.66%
information 4.23%
mutation 3.34%
defect 3.01%
research 2.98%
disease 2.83%
disorder 2.12%
makeup 1.96%
analysis 1.66%
trait 1.05%
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