四条染色体的有丝分裂图 如图是具有四条染色体的植物细胞有丝分裂图．据图分析回答：（1...
\u4ee54\u6761\u67d3\u8272\u4f53\u753b\u51fa\u52a8\u690d\u7269\u6709\u4e1d\u5206\u88c2\u56fe \u5e76\u5728\u5750\u6807\u4e2d\u5206\u522b\u753b\u51fa\u67d3\u8272\u4f53\u4ee5\u5206\u88c2\u5404\u65f6\u671f\u4f5c\u6a2a\u8f74\uff0c\u4ee5\u6570\u91cf\u4f5c\u7eb5\u8f74\u3002
\u67d3\u8272\u4f53\uff1a\u95f4\u671f-0\uff0c\u524d\u671f-\u4ece0\u5347\u81f31\uff0c\u4e2d\u671f\uff0c\u4ece1\u5347\u81f32\uff0c\u540e\u671f2\uff0c\u672b\u671f\uff0c\u4ece2-0
\u67d3\u8272\u5355\u4f53\uff0c\u95f4\u671f\uff0c0\uff0c\u524d\u671f\uff0c\u4ece0-2\uff0c\u4e2d\u671f\uff0c\u964d\u4e3a0\uff0c\u540e\u3001\u672b\uff0c0
dna\uff1a\u95f4\u671f\u524d\u534a\u671f\uff0c1\uff0c\u95f4\u671f\u540e\u534a\u671f\uff0c\u4e0a\u5347\u81f32\uff0c\u524d\u671f\uff0c\u4e2d\u671f\uff0c\u540e\u671f\uff0c2\uff0c\u672b\u671f\uff0c\u964d\u52301
\uff081\uff09C\u7ec6\u80de\u4e2d\u51fa\u73b0\u67d3\u8272\u4f53\u548c\u7eba\u9524\u4f53\uff0c\u6838\u4ec1\u6d88\u5931\uff0c\u6838\u819c\u5c1a\u672a\u6d88\u5931\uff0c\u5e94\u8be5\u5904\u4e8e\u6709\u4e1d\u5206\u88c2\u524d\u671f\uff0e\uff082\uff09A\u548cD\u7ec6\u80de\u4e2d\u6ca1\u6709\u67d3\u8272\u4f53\u5355\u4f53\uff0c\u8fd9\u4e24\u5f97\u65f6\u671f\u6bcf\u6761\u67d3\u8272\u4f53\u53ea\u542b1\u5f97DNA\u5206\u5b50\uff0c\u800cB\u548cC\u7ec6\u80de\u4e2d\u542b\u6709\u67d3\u8272\u5355\u4f53\uff0c\u6bcf\u6761\u67d3\u8272\u4f53\u542b\u67092\u5f97DNA\u5206\u5b50\uff0c\u56e0\u6b64\u7ec6\u80de\u4e2dDNA\u5206\u5b50\u6570\u4e0e\u67d3\u8272\u4f53\u6570\u76f8\u540c\u7684\u662fA\u3001D\u56fe\uff0e\uff083\uff09\u6709\u4e1d\u5206\u88c2\u540e\u671f\uff08A\u56fe\uff09\uff0c\u7740\u4e1d\u70b9\u7684\u5206\u88c2\uff0c\u59d0\u59b9\u67d3\u8272\u5355\u4f53\u5206\u5f00\u6210\u4e3a\u67d3\u8272\u4f53\uff0c\u67d3\u8272\u4f53\u6570\u76ee\u52a0\u500d\uff0e\uff084\uff09\u5728\u5206\u88c2\u8fc7\u7a0b\u4e2d\uff0c\u67d3\u8272\u4f53\u53d1\u751f\u7684\u4e00\u7cfb\u5217\u5f62\u6001\u53d8\u5316\u548c\u6d3b\u52a8\u90fd\u662f\u4e0e\u67d3\u8272\u4f53\u53caDNA\u5e73\u5747\u5206\u914d\u5230\u4e24\u5f97\u5b50\u7ec6\u80de\u4e2d\u76f8\u9002\u5e94\uff0e\u67d3\u8272\u4f53\u7684\u6d3b\u52a8\u51b3\u5b9a\u4e8e\u7eba\u9524\u4e1d\u7275\u5f15\uff0e\uff081\uff09\u95f4\u671f\u590d\u5236\u7684\u67d3\u8272\u4f53\u5728\u5206\u88c2\u671f\u5e73\u5747\u5206\u914d\u5230\u4e24\u5f97\u5b50\u7ec6\u80de\u4e2d\uff0c\u4f7f\u5b50\u7ec6\u80de\u4e0e\u6bcd\u7ec6\u80de\u542b\u6709\u76f8\u540c\u7684\u9057\u4f20\u7269\u8d28\uff0e\u6545\u7b54\u6848\u4e3a\uff1a\uff081\uff09\u524d\u3000\u2460\u67d3\u8272\u4f53\u542b\u67d3\u8272\u5355\u4f53\u4e14\u6392\u5217\u6563\u4e71\u2461\u5f62\u6210\u7eba\u9524\u4f53\uff0c\u6838\u4ec1\u6d88\u5931\uff082\uff09A\u3001D\u3000\uff083\uff09A\u3000\uff084\uff09\u67d3\u8272\u4f53\u53caDNA\u5e73\u5747\u5206\u914d\u5230\u4e24\u5f97\u5b50\u7ec6\u80de\u4e2d \u7eba\u9524\u4e1d\u7275\u5f15\uff081\uff09\u95f4\u671f\u590d\u5236\u7684\u67d3\u8272\u4f53\u5728\u5206\u88c2\u671f\u5e73\u5747\u5206\u914d\u5230\u4e24\u5f97\u5b50\u7ec6\u80de\u4e2d\uff0c\u4f7f\u5b50\u7ec6\u80de\u4e0e\u6bcd\u7ec6\u80de\u542b\u6709\u76f8\u540c\u7684\u9057\u4f20\u7269\u8d28
如图
如图
绛旓細缁嗚優鏈変笣鍒嗚鍜屽噺鏁板垎瑁傜殑鏌撹壊浣鍜宒na鐨勬暟閲忓彉鍖,濡備笅鍥炬墍绀
绛旓細濡傚浘
绛旓細锛1锛塁缁嗚優涓嚭鐜鏌撹壊浣鍜岀汉閿や綋锛屾牳浠佹秷澶憋紝鏍歌啘灏氭湭娑堝け锛屽簲璇ュ浜鏈変笣鍒嗚鍓嶆湡锛庯紙2锛堿鍜孌缁嗚優涓病鏈夋煋鑹蹭綋鍗曚綋锛岃繖涓ゅ緱鏃舵湡姣忔潯鏌撹壊浣撳彧鍚1寰桪NA鍒嗗瓙锛岃孊鍜孋缁嗚優涓惈鏈夋煋鑹插崟浣擄紝姣忔潯鏌撹壊浣撳惈鏈2寰桪NA鍒嗗瓙锛屽洜姝ょ粏鑳炰腑DNA鍒嗗瓙鏁颁笌鏌撹壊浣撴暟鐩稿悓鐨勬槸A銆丏鍥撅紟锛3锛夋湁涓濆垎瑁傚悗鏈燂紙A鍥撅級锛岀潃涓濈偣鐨...
绛旓細鐢绘硶濡備笅鍥撅細缁嗚優鏈変笣鍒嗚鏄粏鑳炲垎瑁傜殑涓绉.鍏朵粬鐨勮繕鏈夋棤涓濆垎瑁傚拰鍑忔暟鍒嗚锛堜竴绉嶇壒娈婄殑鏈変笣鍒嗚锛,鏈変笣鍒嗚鍒嗗垎瑁闂存湡鍜屽垎瑁傛湡.鍒嗚鏈熷張鍙垎涓哄墠銆佷腑銆佸悗銆佹湯鍥涗釜鏃舵湡锛佸湪鍥涗釜鏃跺欎腑DNA 鏌撹壊浣 鏌撹壊鍗曚綋閮芥湁涓瀹氱殑鍙樺寲锛
绛旓細缁嗚優鏈変笣鍒嗚鍜屽噺鏁鍒嗚鐨勬煋鑹蹭綋鍜孌NA鐨勬暟閲忓彉鍖栫殑鍥捐〃濡備笅锛氭湁涓濆垎瑁傛槸涓涓繛缁殑杩囩▼锛屼负浜嗗彊杩扮殑鏂逛究锛屼汉涓哄湴鎶婃牳鍒嗚鍒掑垎涓哄墠鏈熴佷腑鏈熴佸悗鏈熶互鍙婃湯鏈鍥涗釜鏃舵湡銆傛湁涓濆垎瑁傚悇鏈熺殑鐗圭偣濡備笅(浠ユ鐗╃粏鑳炰负渚)锛氶棿鏈燂細鍒嗕负G1锛孲锛孏2锛屼富瑕佽繘琛孌NA澶嶅埗鍜岀浉鍏宠泲鐧借川鍚堟垚锛屾牳鑶滄牳浠侀愭笎娑堝け銆傚墠鏈燂細鏍稿唴鐨勬煋鑹...
绛旓細鏈変笣鍒嗚鍚勯」鐩彉鍖栵紙浠ヤ簩鍊嶄綋涓轰緥锛鏌撹壊浣鍙樺寲 浣撶粏鑳烇細2N 闂存湡锛2N 鍓嶆湡锛2N 涓湡锛2N 鍚庢湡锛2N-4N 鏈湡锛4N-2N DNA鍒嗗瓙鍙樺寲 浣撶粏鑳烇細2A 闂存湡锛2A-4A 鍓嶆湡锛4A 涓湡锛4A 鍚庢湡锛4A 鏈湡锛4A-2A 鏌撹壊鍗曚綋鍙樺寲 浣撶粏鑳烇細0 闂存湡锛0-4n 鍓嶆湡锛4n 涓湡...
绛旓細鍥犳涓嶅瓨鍦ㄦ煋鑹插崟浣擄紟锛5锛夊浘B涓鏈変笣鍒嗚鍓嶆湡锛岃鏃舵湡鏈鏄庢樉鍙樺寲鏄粏鑳炴牳涓嚭鐜鏌撹壊浣锛庯紙6锛夌粏鑳炰腑娌℃湁鏌撹壊鍗曚綋鏃讹紝鐫涓濈偣涓嶥NA鏁颁箣姣斾负1锛1锛屽搴斿浘AD锛庢晠绛旀涓猴細锛1锛夋鐗 BCAD 锛2锛夊垎瑁傞棿 锛3锛4 锛4锛堿 0 锛5锛夌粏鑳炴牳涓嚭鐜版煋鑹蹭綋 锛6锛堿D ...
绛旓細锛4锛夊姩鐗╂鐗╃粏鑳鏈変笣鍒嗚鐨勫尯鍒細鈶犲墠鏈燂紙C鍥撅級绾洪敜浣撶殑褰㈡垚涓嶅悓锛涒憽鏈湡锛圖鍥撅級缁嗚優璐ㄧ殑鍒嗚鏂瑰紡涓嶅悓锛庯紙5锛夋湁涓濆垎瑁傚墠鏈熴佷腑鏈熴佸悗鏈熷拰鏈湡锛屾煋鑹蹭綋涓婃墍鍚泲鐧借川鍚噺澶т綋鐩稿悓锛岃嫢缁勬垚鏌撹壊浣撶殑铔嬬櫧璐ㄤ腑鍚湁鏀惧皠鎬у厓绱狅紝鍒橝銆丅銆丆銆丏鍥涘浘浠ｈ〃鐨勭粏鑳炴斁灏勬у己搴︾浉鍚岋紟鏁呯瓟妗堜负锛氾紙1锛夊墠銆鈶犳煋鑹蹭綋...
绛旓細鍥2锛氫粠宸﹀埌鍙筹紝绗竴涓粏鑳炰腑鏈鍥涙潯鏌撹壊浣锛屽洓涓狣NA鍙岄摼鍒嗗瓙銆傜浜屼釜缁嗚優鍥涙潯鏌撹壊浣撴瘡鏉℃煋鑹蹭綋鏈変袱鏉″濡规煋鑹插崟浣擄紝鍗虫湁8涓煋鑹插崟浣擄紝8涓弻閾綝NA鍒嗗瓙銆傜涓変釜鍥炬槸鏈変笣鍒嗚涓湡鍥撅紝鐫涓濈偣鎺掑垪鍦ㄨ丹閬撴澘涓婏紝鏌撹壊浣撱佹煋鑹插崟銆丏NA鍒嗗瓙涓庡浘2涓鏍枫傜鍥涘浘鏄湁涓濆垎瑁傚悗鏈熷浘锛岀潃涓濈偣鍒嗗紑锛屽濡规煋鑹插崟浣...
绛旓細鍥犳鐫涓濈偣涓嶥NA鏁颁箣姣斾负1锛1锛庡姩妞嶇墿缁嗚優鏈変笣鍒嗚鐨勪笉鍚岀偣涓昏浣撶幇鍦ㄦ湁涓濆垎瑁傚墠鏈燂紙绾洪敜浣撳舰鎴愭柟寮忎笉鍚岋級鍜屾湯鏈燂紙缁嗚優璐ㄥ垎瑁傛柟寮忎笉鍚岋級锛庢晠绛旀涓猴細锛1锛夋鐗 BCAD 鍒嗚闂 DNA鍒嗗瓙鐨勫鍒跺拰鏈夊叧铔嬬櫧璐ㄧ殑鍚堟垚锛2锛0 2 璧ら亾鏉 锛3锛堿 4 锛4锛塁 AD BD ...
