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4. Chromosome (ȾɫÌå)£ºÔÖ¸ÕæºËÉúÎïϸ°û·ÖÁÑÖÐÆÚ¾ßÓÐÒ»¶¨ÐÎÌ¬ÌØÕ÷µÄȾɫÖÊ¡£ÏÖÔÚÕâÒ»¸ÅÄîÒÑÀ©´óΪ°üÀ¨ÔºËÉúÎPϸ°ûÆ÷ÔÚÄڵĻùÒòÔØÌåµÄ×ܳơ£¾ßÓеÄÌØÕ÷£º¢Ù·Ö×ӽṹÏà¶ÔÎȶ¨£»¢ÚÄܹ»×ÔÎÒ¸´ÖÆ£¬Ê¹Ç×´úÖ®¼ä±£³ÖÁ¬ÐøÐÔ£»¢ÛÄܹ»Ö¸µ¼µ°°×Öʵĺϳɣ¬´Ó¶ø¿ØÖÆÕû¸öÉúÃü¹ý³Ì£»¢ÜÄܹ»²úÉú¿ÉÒÅ´«µÄ±äÒì¡£
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