ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÏÂͼ1¡¢Í¼2·Ö±ð±íʾijÖÖÉúÎïϸ°ûÓÐË¿·ÖÁѹý³ÌÖÐijһʱÆÚµÄģʽͼ£¬Í¼3±íʾÓÐË¿·ÖÁÑÖв»Í¬Ê±ÆÚÿÌõȾɫÌåÉÏDNA·Ö×ÓÊý±ä»¯£¬Í¼4±íʾÓÐË¿·ÖÁÑÖв»Í¬Ê±ÆÚȾɫÌåºÍDNAµÄÊýÁ¿¹Øϵ¡£ÏÂÁÐÓйØÐðÊö²»ÕýÈ·µÄÊÇ£¨ £©
A. ͼ1Ëùʾϸ°ûÖй²ÓÐ4ÌõȾɫÌ壬8¸öDNA·Ö×Ó£»Í¼2Ëùʾϸ°ûÖй²ÓÐ0Ìõ½ãÃÃȾɫµ¥Ìå
B. ´¦ÓÚͼ3ÖÐB¡úC¶ÎµÄÊÇͼ1Ëùʾϸ°û£»Íê³Éͼ3ÖÐC¡úD¶Î±ä»¯µÄϸ°û·ÖÁÑʱÆÚÊǺóÆÚ
C. ÓÐË¿·ÖÁѹý³ÌÖв»»á³öÏÖͼ4ÖÐdËùʾµÄÇé¿ö
D. ͼ4ÖÐa¿É¶ÔӦͼ3ÖеÄB¡úC¶Î£»Í¼4ÖÐc¶ÔӦͼ3ÖеÄA¡úB¶Î
¡¾´ð°¸¡¿D
¡¾½âÎö¡¿ÊÔÌâ·ÖÎö£º¾Ýͼ¿ÉÖª£¬Í¼1ϸ°û´¦ÓÚÓÐË¿·ÖÁÑÖÐÆÚ£¬Ï¸°ûÖк¬ÓÐ4ÌõȾɫÌ壬8¸öDNA·Ö×Ó£¬Í¼2´¦ÓÚÓÐË¿·ÖÁѺóÆÚ£¬Ï¸°ûÖÐûÓÐȾɫµ¥Ì壬¹ÊAÕýÈ·£»ÔÚÓÐË¿·ÖÁѹý³ÌÖУ¬BC¶Î±íʾÓÐË¿·ÖÁѵÄÇ°¡¢ÖÐÆÚ£¬Óëͼ1Ïà·û£¬CD¶ÎÖÐÒ»ÌõȾɫÌåÉϵÄDNAÓÉ2¸ö±ä³É1¸ö£¬ËµÃ÷´¦ÓÚ×ÅË¿µã·ÖÁѵÄʱ¿Ì£¬¼´ÓÐË¿·ÖÁѺóÆÚ£¬¹ÊBÕýÈ·£»È¾É«Ì壺DNAµÄ¹ØϵÓÐ1:2»ò1:1£¬È¾É«ÌåÊýÁ¿²»¿ÉÄܶàÓÚDNA£¬¹ÊCÕýÈ·£»Í¼4ÖÐa£¬È¾É«ÌåºÍDNAÊýÁ¿ÏàµÈ£¬²»¿ÉÄÜ´¦ÓÚͼ3ÖеÄBC¶Î£¬¹ÊD´íÎó¡£