遗传学口诀，无中生有为隐性，不考虑基因突变，这是什么意思 生物伴性遗传中的口诀：无中生有为隐性，隐性遗传看女病，女病父...
\u751f\u7269\u9057\u4f20\u75c5\u5224\u65ad\u65f6\uff0c\u6709\u4e00\u4e2a\u53e3\u8bc0\u600e\u4e48\u7406\u89e3\u554a\uff1a\u65e0\u4e2d\u751f\u6709\u4e3a\u9690\u6027\uff0c\u9690\u6027\u9057\u4f20\u770b\u5973\u75c5\uff0c\u7236\u5b50\u60a3\u75c5\u4e3a\u4f34\u6027\uff1b\u6709\u4e2d\u751f\u65e0\u4e3a\u7b2c\u4e00\u6b65\uff1a\u5224\u65ad\u662f\u663e\u6027\u9057\u4f20\u75c5\u8fd8\u662f\u9690\u6027\u9057\u4f20\u75c5\uff1a\u65e0\u4e2d\u751f\u6709\u4e3a\u9690\u6027\uff0c\u90fd\u6b63\u5e38\u7236\u6bcd\u751f\u51fa\u4e86\u6709\u75c5\u7684\u5b69\u5b50\uff0c\u90a3\u5c31\u662f\u9690\u6027\u9057\u4f20\u75c5\u3002\u6709\u4e2d\u751f\u65e0\u4e3a\u663e\u6027\uff0c\u662f\u90fd\u6709\u75c5\u7684\u7236\u6bcd\u751f\u51fa\u4e86\u6b63\u5e38\u7684\u5b69\u5b50\u5219\u8be5\u75c5\u4e3a\u663e\u6027\u9057\u4f20\u75c5\u3002\u3002
\u7b2c\u4e8c\u6b65\uff1a\u5224\u65ad\u662f\u5e38\u67d3\u8272\u4f53\u9057\u4f20\u8fd8\u662f\u4f34X\u9057\u4f20\u3002\u901a\u8fc7\u6bcf\u4e2a\u53e3\u8bc0\u540e\u4e24\u53e5\u53ef\u4ee5\u5224\u65ad\u662f\u5e38\u67d3\u8272\u4f53\u4e0a\u8fd8\u662fX\u67d3\u8272\u4f53\u7684\u9057\u4f20\u75c5\u3002
\u5728\u4f34X\u9690\u6027\u9057\u4f20\u4e2d\uff0c\u6bcd\u4eb2\u60a3\u75c5\uff0c\u51762\u6761X\u67d3\u8272\u4f53\u90fd\u643a\u5e26\u6709\u9690\u6027\u81f4\u75c5\u57fa\u56e0\uff0c\u5e76\u4e14\u80af\u5b9a\u6709\u4e00\u4e2a\u9690\u6027\u81f4\u75c5\u57fa\u56e0\u968f\u7740\u4e00\u6761X\u67d3\u8272\u4f53\u9057\u4f20\u7ed9\u5979\u7684\u513f\u5b50\uff08\u57fa\u56e0\u578b\u4e3aXY\uff09\uff0c\u5176\u513f\u5b50\u7684Y\u67d3\u8272\u4f53\u4e0a\u6ca1\u6709\u76f8\u5bf9\u7b49\u7684\u57fa\u56e0\uff0c\u4e00\u4e2a\u9690\u6027\u81f4\u75c5\u57fa\u56e0\u5c31\u4f7f\u7537\u6027\u8868\u73b0\u51fa\u60a3\u75c5\u3002\u540c\u6837\u9053\u7406\uff0c\u5973\u513f\u60a3\u75c5\uff0c\u51762\u6761X\u67d3\u8272\u4f53\u90fd\u643a\u5e26\u6709\u9690\u6027\u81f4\u75c5\u57fa\u56e0\uff0c\u5e76\u4e14\u80af\u5b9a\u6709\u4e00\u4e2a\u9690\u6027\u81f4\u75c5\u57fa\u56e0\u968f\u7740\u4e00\u6761X\u67d3\u8272\u4f53\u7531\u5979\u7684\u7236\u4eb2\uff08\u57fa\u56e0\u578b\u4e3aXY\uff09\u4f20\u7ed9\u5979\u3002\u603b\u4f53\u8bf4\u6765\uff0c \u5728\u4f34X\u9690\u6027\u9057\u4f20\u7cfb\u8c31\u4e2d\uff0c\u4e00\u4e2a\u5973\u6027\u60a3\u4f34X\u9690\u6027\u9057\u4f20\u75c5\uff0c\u5979\u7684\u7236\u4eb2\u548c\u5979\u7684\u513f\u5b50\u90fd\u5e94\u8be5\u662f\u60a3\u8005\u3002\u5982\u679c\u9690\u6027\u9057\u4f20\u75c5\u5973\u6027\u60a3\u8005\u7684\u7236\u4eb2\u6216\u513f\u5b50\u6709\u4e0d\u60a3\u75c5\u7684\uff0c\u5c31\u662f\u5e38\u67d3\u8272\u4f53\u9690\u6027\u9057\u4f20\u3002
\u5728\u4f34X\u663e\u6027\u9057\u4f20\u4e2d\uff0c\u9053\u7406\u5dee\u4e0d\u591a\uff0c\u5728\u4f34X\u663e\u6027\u9057\u4f20\u7cfb\u8c31\u4e2d\uff0c\u4e00\u4e2a\u7537\u6027\u60a3\u4f34X\u663e\u6027\u9057\u4f20\u75c5\uff0c\u4ed6\u7684\u6bcd\u4eb2\u548c\u4ed6\u7684\u5973\u513f\u90fd\u5e94\u8be5\u662f\u60a3\u8005\u3002
\u5982\u679c\u5728\u663e\u6027\u9057\u4f20\u7cfb\u8c31\u4e2d\uff0c\u4e00\u4e2a\u7537\u6027\u60a3\u663e\u6027\u9057\u4f20\u75c5\uff0c\u4ed6\u7684\u6bcd\u4eb2\u548c\u4ed6\u7684\u5973\u513f\u6709\u4e0d\u662f\u60a3\u8005\u7684\u5c31\u53ef\u5224\u65ad\u4e3a\u5e38\u67d3\u8272\u4f53\u663e\u6027\u9057\u4f20\u3002
\u662f\u5bf9\u7684\u3002
\u53e3\u8bc0
\u65e0\u4e2d\u751f\u6709\u4e3a\u9690\u6027\uff0c\u9690\u6027\u9057\u4f20\u770b\u5973\u75c5\uff0c\u7236\u5b50\u60a3\u75c5\u4e3a\u4f34\u6027\u3002
\u6709\u4e2d\u751f\u65e0\u4e3a\u663e\u6027\uff0c\u663e\u6027\u9057\u4f20\u770b\u7537\u75c5\uff0c\u6bcd\u5973\u60a3\u75c5\u4e3a\u4f34\u6027\u3002
\u89e3\u91ca
\u65e0\u4e2d\u751f\u6709\u4e3a\u9690\u6027\uff1a\u82e5\u53cc\u4eb2\u6ca1\u75c5\uff0c\u5b50\u5973\u4e2d\u6709\u75c5\uff0c\u5219\u4e3a\u9690\u6027\u9057\u4f20\u75c5\u3002
\u9690\u6027\u9057\u4f20\u770b\u5973\u75c5\uff1a\u82e5\u5df2\u786e\u5b9a\u4e3a\u9690\u6027\u9057\u4f20\uff0c\u5219\u627e\u5973\u60a3\u8005\u3002
\u7236\u5b50\u60a3\u75c5\u4e3a\u4f34\u6027\uff1a\u770b\u5979\u7684\u7236\u4eb2\u548c\u513f\u5b50\uff0c\u82e5\u90fd\u662f\u60a3\u8005\uff0c\u5219\u4e3a\u4f34X\u67d3\u8272\u4f53\u9690\u6027\u9057\u4f20\uff1b\u53ea\u8981\u5176\u4e2d\u6709\u4e00\u4e2a\u6b63\u5e38\uff0c\u5219\u4e3a\u5e38\u67d3\u8272\u4f53\u9690\u6027\u9057\u4f20\u3002
\u6709\u4e2d\u751f\u65e0\u4e3a\u663e\u6027\uff1a\u82e5\u53cc\u4eb2\u6709\u75c5\uff0c\u5b50\u5973\u4e2d\u6ca1\u75c5\uff0c\u5219\u4e3a\u663e\u6027\u9057\u4f20\u75c5\u3002
\u663e\u6027\u9057\u4f20\u770b\u7537\u75c5\uff1a\u82e5\u5df2\u786e\u5b9a\u4e3a\u663e\u6027\u9057\u4f20\u75c5\uff0c\u5219\u627e\u7537\u60a3\u8005\u3002
\u6bcd\u5973\u60a3\u75c5\u4e3a\u4f34\u6027\uff1a\u770b\u4ed6\u7684\u6bcd\u4eb2\u548c\u5973\u513f\uff0c\u82e5\u90fd\u662f\u60a3\u8005\uff0c\u5219\u4e3a\u4f34X\u67d3\u8272\u4f53\u663e\u6027\u9057\u4f20\uff1b\u53ea\u8981\u5176\u4e2d\u6709\u4e00\u4e2a\u6b63\u5e38\uff0c\u5219\u4e3a\u5e38\u67d3\u8272\u4f53\u663e\u6027\u9057\u4f20\u3002
\u6269\u5c55\u8d44\u6599
\u5e38\u67d3\u8272\u4f53\u9690\u6027\u9057\u4f20\u75c5\uff08autosoml recessive inheritabledisease\uff09\u662f\u7531\u4f4d\u4e8e\u5e38\u67d3\u8272\u4f53\u4e0a\u7684\u9690\u6027\u81f4\u75c5\u57fa\u56e0\u5f15\u8d77\u7684\uff0c\u5176\u7279\u70b9\u662f\uff1a
\u2460\u60a3\u8005\u662f\u81f4\u75c5\u57fa\u56e0\u7684\u7eaf\u5408\u4f53\uff0c\u5176\u7236\u6bcd\u4e0d\u4e00\u5b9a\u53d1\u75c5\uff0c\u4f46\u90fd\u662f\u81f4\u75c5\u57fa\u56e0\u7684\u643a\u5e26\u8005\uff08\u6742\u5408\u4f53\uff09\u3002
\u2461\u60a3\u8005\u7684\u5144\u5f1f\u59d0\u59b9\u4e2d\uff0c\u7ea6\u67091/4\u7684\u4eba\u60a3\u75c5\uff0c\u7537\u5973\u53d1\u75c5\u7684\u673a\u4f1a\u5747\u7b49\u3002
\u2462\u5bb6\u65cf\u4e2d\u4e0d\u51fa\u73b0\u8fde\u7eed\u51e0\u4ee3\u9057\u4f20\uff0c\u60a3\u8005\u7684\u53cc\u4eb2\u3001\u8fdc\u7956\u53ca\u65c1\u7cfb\u4eb2\u5c5e\u4e2d\u4e00\u822c\u65e0\u540c\u6837\u7684\u75c5\u4eba\u3002
\u2463\u8fd1\u4eb2\u7ed3\u5a5a\u65f6\uff0c\u5b50\u4ee3\u7684\u53d1\u75c5\u7387\u660e\u663e\u5347\u9ad8\u3002
\u901a\u4fd7\u7684\u6765\u8bb2\uff0c\u4eba\u4f53\u4e2d\u6bcf\u4e2a\u7ec6\u80de\u6838\u4e2d\u7684\u5e38\u67d3\u8272\u4f53\u670922\u5bf9\uff0c\u6bcf\u5bf9\u67d3\u8272\u4f53\u7684DNA\u4e0a\u6709\u65e0\u6570\u7684\u57fa\u56e0\u7247\u6bb5\u3002\u6bcf\u4e2a\u57fa\u56e0\u7247\u6bb5\u7531\u4e24\u4e2a\u57fa\u56e0\u7ec4\u6210\u3002\u57fa\u56e0\u5206\u4e3a\u663e\u6027\u57fa\u56e0\u548c\u9690\u6027\u57fa\u56e0\u3002
\u5f53\u4e00\u5bf9\u57fa\u56e0\u90fd\u662f\u663e\u6027\u57fa\u56e0\u6216\u8005\u4e00\u5bf9\u57fa\u56e0\u4e2d\u4e00\u4e2a\u662f\u663e\u6027\u57fa\u56e0\u4e00\u4e2a\u662f\u9690\u6027\u57fa\u56e0\uff0c\u90a3\u4e48\u8868\u73b0\u51fa\u6765\u7684\u5c31\u662f\u663e\u6027\u6027\u72b6\uff1b\u800c\u4e00\u5bf9\u57fa\u56e0\u90fd\u662f\u9690\u6027\u57fa\u56e0\uff0c\u8868\u73b0\u51fa\u6765\u7684\u5c31\u662f\u9690\u6027\u6027\u72b6\u3002\u800c\u4e00\u822c\u7684\u9057\u4f20\u75c5\u90fd\u662f\u9690\u6027\u6027\u72b6\uff0c\u6240\u4ee5\u9057\u4f20\u75c5\u5c31\u662f\u5e38\u67d3\u8272\u4f53\u7684\u9634\u6027\u5f62\u72b6\u8868\u73b0\u51fa\u6765\u7684\u662f\u9057\u4f20\u75c5\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u4f34\u6027\u9057\u4f20
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u5e38\u67d3\u8272\u4f53\u9690\u6027\u9057\u4f20\u75c5
如果是父母均患病，生出不患病的子女，那这个病的致病基因是显性的。
所以无中生有是隐性，有中生无是显性。
绛旓細鎰忔濇槸鏃犵梾鐨勫弻浜茬敓鍑烘湁鐥呯殑瀛╁瓙锛岃繖绉嶉仐浼犵梾鏄闅愭ч仐浼鐥咃紱鑻ョ敓鍑烘偅鐥呯殑濂冲効锛屽垯杩欑閬椾紶鐥呮槸甯告煋鑹蹭綋闅愭ч仐浼犵梾銆傗滄湁涓敓鏃犱负鏄炬э紝鐢熷コ鎮ｇ梾涓哄父鏄锯濄傛剰鎬濇槸鏈夌梾鐨勫弻浜茬敓鍑烘棤鐥呯殑瀛╁瓙锛岃繖绉嶉仐浼犵梾鏄樉鎬ч仐浼犵梾锛涜嫢鐢熷嚭鏃犵梾鐨勫コ鍎匡紝鍒欒繖绉嶉仐浼犵梾鏄父鏌撹壊浣撴樉鎬ч仐浼犵梾銆 閫氳繃杩欎袱涓鍙ｈ瘈鍙互灏嗗父...
绛旓細鏃犱腑鐢熸湁锛屾湁涓洪殣褰 灏辨槸鐖舵瘝閮芥病鐥咃紝鐢熷嚭涓涓湁鐥呯殑瀛╁瓙锛岃繖灏辨槸闅愭х梾銆傛墍浠ワ紝杩欏彞鍙ｈ瘈瀹屾暣鐨勬槸锛氭棤涓敓鏈夛紝鏈変负闅愬舰锛屽コ鐥呬负甯搁殣銆傛湁涓敓鏃狅紝鏈変负鏄炬э紝濂虫甯镐负甯告樉銆傘鏃犱腑鐢熸湁涓洪殣鎬銆戞寚鐖舵瘝鍧囨棤姝ょ梾,鑰屽瓙濂虫偅鐥.杩欒鏄庤鐥呬负闅愭閬椾紶鐥.鑰岀埗姣嶇殕涓烘潅鍚堝瓙鑰屾惡甯﹁鐥.鏁呭瓙濂虫湁鍥涘垎...
绛旓細鏃犱腑鐢熸湁涓洪殣鎬х殑鍙ｈ瘈锛鏃犱腑鐢熸湁涓洪殣鎬э紝闅愭ч仐浼鐪嬪コ鐥咃紝鐖跺瓙閮界梾涓轰即鎬э紝鏈変腑鐢熸棤鏈変负鏄炬э紝鏄炬ч仐浼犵湅鐢风梾锛屾瘝濂抽兘鐥呬负浼存с傛棤涓敓鏈夋槸涓洪殣鎬э紝鎰忔濇槸姝ｅ父鐖舵瘝鐢熷嚭浜嗘湁鐥呯殑瀛╁瓙锛岄偅灏辨槸闅愭ч仐浼犵梾銆傞殣鎬ч仐浼犵湅濂崇梾銆傛剰鎬濇槸闅愭ч仐浼犵梾瑕佺湅濂虫ф偅鑰呫傜埗瀛愰兘鐥呬负浼存с傛剰鎬濇槸濂虫ф偅鑰呯殑鐖跺瓙閮...
绛旓細鍙ｈ瘈 鏃犱腑鐢熸湁涓洪殣鎬э紝闅愭ч仐浼鐪嬪コ鐥咃紝鐖跺瓙鎮ｇ梾涓轰即鎬с傛湁涓敓鏃犱负鏄炬э紝鏄炬ч仐浼犵湅鐢风梾锛屾瘝濂虫偅鐥呬负浼存с傝В閲 鏃犱腑鐢熸湁涓洪殣鎬э細鑻ュ弻浜叉病鐥咃紝瀛愬コ涓湁鐥咃紝鍒欎负闅愭ч仐浼犵梾銆傞殣鎬ч仐浼犵湅濂崇梾锛氳嫢宸茬‘瀹氫负闅愭閬椾紶锛鍒欐壘濂虫偅鑰呫傜埗瀛愭偅鐥呬负浼存э細鐪嬪ス鐨勭埗浜插拰鍎垮瓙锛岃嫢閮芥槸鎮ｈ咃紝鍒欎负浼碭鏌撹壊浣...
绛旓細鏃犱腑鐢熸湁涓洪殣鎬э紝鏈夌鐢熸棤涓烘樉鎬э紱濂虫偅锛堥殣锛夌埗瀛愭偅鐥呬负浼碭闅 锛涚敺鎮ｏ紙鏄撅級姣嶅コ鎮ｇ梾涓轰即X鏄 锛涙瘝鏈夌梾锛屽瓙鍧囩梾涓烘瘝绯閬椾紶 锛涚埗浼犲瓙锛屽瓙浼犲瓩锛屼汉鐢熶唬浠ｆ棤绌峰凡涓轰即Y閬椾紶銆備富瑕佸氨鏄繖浜涗簡銆
绛旓細鐩稿弽锛屾樉鎬ч仐浼犲垯鏄湪鍙屼翰閮芥偅鐥呯殑鎯呭喌涓嬶紝瀛愬コ涓嚭鐜版甯镐釜浣擄紝绉颁负鈥滄湁涓敓鏃犫濄傚浜庢樉鎬閬椾紶锛鍏虫敞鐨勬槸鐢锋偅鑰呯殑姣嶄翰鍜屽コ鍎匡紝濡傛灉濂逛滑閮芥偅鐥咃紝鍒欏彲鑳芥槸浼存ф樉鎬ч仐浼犮備絾杩欓噷鎴戜滑閲嶇偣璁ㄨ鐨勬槸闅愭ч仐浼鐨勬儏鍐点傛荤粨璧锋潵锛岃繖涓鍙ｈ瘈鎻愪緵浜嗕竴涓垽鏂殣鎬ч仐浼犳柟寮忕殑绠鍗曟柟娉曪細閫氳繃瑙傚療濂虫ф偅鑰呯殑瀹舵棌锛屽鏋滃叾鐖朵翰...
绛旓細鐢熺墿浼存閬椾紶涓鏈変竴鏉″疄鐢ㄧ殑鍙ｈ瘈锛氣鏃犱腑鐢熸湁涓洪殣鎬э紝闅愭уコ鐥呯埗瀛愰獙锛屽父闅愮壒寰佺敱姝よ銆傗濊繖涓彛璇鍑嗙‘鍦版鎷簡浼存ч仐浼犵殑鍑犱釜鍏抽敭鐐广傞鍏堬紝"鏃犱腑鐢熸湁涓洪殣鎬"鎸囩殑鏄綋涓瀵瑰仴搴风殑鐖舵瘝鐢熻偛鍑烘偅鐥呯殑瀛╁瓙锛岃繖绉嶇梾鐘舵槸鐢变簬闅愭у熀鍥犲鑷寸殑銆傞殣鎬у熀鍥犻氬父鍦ㄥ弻浜蹭腑閮藉瓨鍦紝浣嗗苟鏈〃鐜板嚭鏉ワ紝鍙湁褰撲袱涓殣鎬...
绛旓細鐢熺墿閬椾紶閲屼即鎬ф樉闅愭х殑鍙ｈ瘈鏄細鏃犱腑鐢熸湁涓洪殣鎬э紝闅愭ч仐浼鐪嬪コ鐥咃紝濂崇梾鐖跺瓙姝ｅ父涓衡滃父闅愨濄傝繖鍙ヨ瘽鎬荤粨浜嗕即鎬ч仐浼犵殑瑙勫緥銆備即鎬ч仐浼犳槸鎸囧湪閬椾紶杩囩▼涓殑瀛愪唬閮ㄥ垎鎬х姸鐢辨ф煋鑹蹭綋涓婄殑鍩哄洜鎺у埗锛岃繖绉嶇敱鎬ф煋鑹蹭綋涓婄殑鍩哄洜鎵鎺у埗鎬х姸鐨勯仐浼犳柟寮忓氨绉颁负浼存閬椾紶锛鍙堢О鎬ц繛閿侊紙閬椾紶锛夋垨鎬х幆杩炪傝澶氱敓鐗╅兘鏈変即...
绛旓細鏃犱腑鐢熸湁涓洪殣鎬锛氳嫢鍙屼翰娌＄梾锛屽瓙濂充腑鏈夌梾锛屽垯涓洪殣鎬ч仐浼犵梾銆闅愭ч仐浼鐪嬪コ鐥咃細鑻ュ凡纭畾涓洪殣鎬閬椾紶锛鍒欐壘濂虫偅鑰呫傜埗瀛愭偅鐥呬负浼存э細鐪嬪ス鐨勭埗浜插拰鍎垮瓙锛岃嫢閮芥槸鎮ｈ咃紝鍒欎负浼碭鏌撹壊浣撻殣鎬ч仐浼狅紱鍙鍏朵腑鏈変竴涓甯革紝鍒欎负甯告煋鑹蹭綋闅愭ч仐浼犮傛湁涓敓鏃犱负鏄炬э細鑻ュ弻浜叉湁鐥咃紝瀛愬コ涓病鐥咃紝鍒欎负鏄炬ч仐浼犵梾銆傛樉鎬...
绛旓細浼存閬椾紶鍙ｈ瘈濡備笅锛1銆鏃犱腑鐢熸湁涓洪殣鎬э紝闅愭ч仐浼鐪嬪コ鐥咃紝鐖跺瓙鎮ｇ梾涓轰即鎬с傝В閲婏細鍦ㄦ棤鎬у埆鍐冲畾鐨勭敓鐗╀腑锛屽鏋滃弻浜查兘娌℃湁鐥咃紝鑰屽瓙浠ｄ腑鏈夌梾锛屽垯涓洪殣鎬ч仐浼犮傚湪濂虫ч仐浼犵梾涓紝濡傛灉姣嶄翰鏈夌梾锛屼笖琛ㄧ幇鐥呯棁锛岄偅涔堝彲浠ュ垽鏂鐥呬负闅愭ч仐浼犮傝嫢鐖朵翰姝ｅ父锛岃屽瓙浠ｄ腑鏈夌梾锛屽垯鏄即鎬ч仐浼犮2銆佹湁涓敓鏃犱负鏄炬э紝...
