&vsize=400&exid=1&exmo=1&exty=13&thre=1&trmo=0&trurl=http://62.232.76.134/Campus/Britcoun/Script/Script.cfm&shuf=1&spdrag=1&sppos=60&skelt=../obj/skelt01.swf&frameup=cnt_txt1.swf&framedown=tpl_reorderingddv.swf&panel=0&audiolv=70&audiofile=nul&autoplay=0&buffertime=5&tscr=0&audioscript=HTML text&subm=1&hurl=helpfile.swf&cnt_txt=Below are 7 facts from the article, but they are not in the order that they appear in the text. Use your mouse to move them up or down to the correct places. When you have finished, click "Submit" to check your answers.&i1_riga7=Identical twins sometimes have very similar personalities&i1_riga6=Identical twins say they sometimes read each other's thoughts&i1_riga5=Non-identical twins often have very different lifestyles&i1_riga4=Some twins take similar decisions in life even when they live completely separate lives&i1_riga3=Studying twins can help us know if illness is related to genetics or upbringing&i1_riga2=An American university is studying thousands of twins from the moment of their birth&i1_riga1=There were fewer twins in the past because women didn't use fertility treatments&i1_dim1=1&i1_defa=1,2,3,4,5,6,7&i1_nrighe=7&nitem=1&