Module5Cloning你有没有想过有一个克隆的兄妹,你有没有想过用克隆技术治疗疾病
这些幻想已不再遥远,但克隆对于人类究竟是有利还是有弊呢
Didyoueverimaginehavingasisterorbrotherthatistheexactreplica(复制品)ofyou
Didyoueverimaginehavingthecureforheartdiseaseorcancer
Well,thesefantasiesarenotfarfromreach
Thewaywecouldreachthesefantasiesisthroughaprocesscalledcloning
Cloningisthereplicationofanexactgeneticcopyofanorganismbyuseofacellfromthedonororganism
Cloningcanbeusedinhumans,humanorgans,orevenanimals
Therearemanyadvantagesanddisadvantagesofcloning
Abenefitofcloningiscloninghumanorgansorbodyparts
Ifapersonhasadysfunctional(机能不良的)liverorheartthentheycouldgetitclonedandgetabrandnewone
Thesearesomeofthebenefitsofcloning
Eventhoughtherearealotofbenefitsofcloning,therearealsodisadvantagesofit
Onedisadvantageiswhethercloningisethical
Cloningwillbringupagreatcontr