gnuliutingting
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今天的还没出来,来个旧的 |留学|签证|TOEFL|GRELK-td/U"oj%\
April 25, 2007: 60-Second Science
CtgcN_LISmelly Mutation May Have Been First Step To New Fly Species 留学,考试,TOEFL,GRE,GMAT,IELTS,SAT,VISA,文书,签证,论坛,出国,申请,美国,英国,欧洲,加拿大,USA[j2AuKy'A
e*DuL j_-r%Mz3B寄托家园They called it seriously vomit fruit to Tahitian Noni ia a Polynesian shrugs the smell so bad well bla. Anyway, most species of fruit flies stay away from the plants which get its nasty smell from presence of hexone and octanol gases. The flies version is well founded even a night it on the affected food they die. But one species of fruit flies just as effortless show it, loves the perky plant. It even laid eggs there. And the study is just published in public science and biology. Research looks into the genetics differences between the SHALY and the close relatives that shone NALY. They found it very different patterns of expression of two genes responsible for affection that made the SHALY’s fruit flies no longer notice the bad smell. More research will be on rival of rest of the story but it seems good bet once the se SHALY start to stop minding its function. It quickly develops resistance to the citizen’s environment and kills the other species of SHUFLA. And now mutations that make few flies tolerate the smell plant may have been the first step to new specie.留学,考试,TOEFL,GRE,GMAT,IELTS,SAT,VISA,文书,签证,论坛,出国,申请,美国,英国,欧洲,加拿大,USA/OFW `'vlZ ME
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L留学,考试,TOEFL,GRE,GMAT,IELTS,SAT,VISA,文书,签证,论坛,出国,申请,美国,英国,欧洲,加拿大,USA[ 本帖最后由 gnuliutingting 于 2007-4-29 08:55 编辑 ]
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