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作 者:王成辉[1] 项松平 吕耀平[3] 王剑 潘增云 何小珍
机构地区:[1]上海海洋大学农业部水产种质资源与养殖生态重点开放实验室,上海200090 [2]浙江龙泉省级瓯江彩鲤良种场,浙江龙泉323700 [3]浙江丽水学院,浙江丽水323000
出 处:《上海水产大学学报》2008年第4期402-405,共4页Journal of Shanghai Fisheries University
基 金:浙江省科委项目(2007C32SAB20001);浙江省自然科学基金项目(Y307445);上海市重点学科建设项目(Y1101)
摘 要:相对于鲤的普通体色(青灰色)来说,红和白体色均为隐性基因控制。为分析红与白体色之间的遗传关系,通过各自能稳定遗传的红和白体色类型的瓯江彩鲤进行杂交,对4个F1家系和8个F2家系的体色进行了统计与分析,结果发现:无论是正交还是反交F1个体全为红色,F2中红色与白色个体的分离比例为2.75~3.00:1,符合孟德尔遗传规律;红色由显性基因控制,白色由隐性基因控制。研究表明鱼类体色间的显隐性关系是相对的,会随配对体色的不同而表现出显性或隐性关系。In color inheritance of common carp, red and white color phenotypes are recessive to normal color (light black color) phenotype. In this paper, inheritance of the red and white color phenotypes which independertly inherit was studied through hybridization using "whole red" and "whole white" patterns of Oujiang color carp( C. carpio vat. color). The results indicated that all individuals were red color phenotypes in F1 progeny of 4 families, and were 2.75 -3.00 red: 1 white color phenotypes in F2 progeny of 8 families which were in agreement with the Mendelian mode. It was clear the red color was controlled by the dominant gene and white color was controlled by the recessive gene. The results also demonstrated that body color phenotype in fishes would be alternative on basis of its mated body color.
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