1.   Historically, increases in yield or improvements in specific traits have been achieved by classical breeding techniques involving crossing, back-crossing and selection.

2.   But, Sauer asked, what are the egg recipients thinking when they offer to pay so much for a donor with such specific traits?

3.   What if you could pre-select the specific traits your heart desired?

4.   Genetic engineering involves transferring one or more genes between organisms to transfuse specific traits.

5.   Genetic engineering involves altering genes in plants or animals to add specific traits.

6.   Genetic engineering involves transferring one or more genes from one organism into another to give it specific traits.

7.   It can also be used to clone specific traits.

8.   The brothers say the bad rap might come from their consistent effort to make characters more real by giving them regionally and ethnically specific traits.

9.   The decision has rekindled debate in Australia on the ethics of determining specific traits of unborn babies.

10.   The decision by state officials has rekindled debate in Australia on the ethics of determining specific traits of unborn babies.

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%
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%
trait 0.07%
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