| 水貂DNA指纹的研究Ⅰ．不同遗传群体DNA指纹图谱特征分析 |
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| 引用本文： | 刘荣宗.水貂DNA指纹的研究Ⅰ．不同遗传群体DNA指纹图谱特征分析[J].湖南农业大学学报(自然科学版),1995(1). |
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| 作者姓名： | 刘荣宗 |
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| 作者单位： | 湖南农业大学动物科学技术学院 |
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| 摘 要： | 从水貂闭锁繁育的近交群体和开放性混杂群体中采集鲜肝样品，分离基因组ＤＮＡ，制成ＤＮＡ指纹图谱。分别计算各群体中全同胞家系、半同胞家系和不相关个体的ＤＮＡ指纹图谱特征指数，建立不同近交程度下带纹相似系数与亲缘系数的回归关系。结果表明：不论群体近交程度高低，带纹相似系数随亲缘系数增加而上升，且呈直线回归关系，相关系数分别为０．６６（ｐ＜０．０１）和０．７７（ｐ＜０．０１）。但近交程度较高的群体斜率较小，多态性带纹较少，带纹整齐度较高。
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| 关 键 词： | 鼬科，脱氧核糖核酸，群体，特征／水貂，DNA指纹 |
AN INITIAL STUDY ON MINK DNA FINGERPRINTINGI.ANALYSING OF DNA FINGERPRINT
CHARACTERISTICS OF DIFFERENT MINK GENETIC POPULATIONS |
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| Liu Rongzong,Farid A..AN INITIAL STUDY ON MINK DNA FINGERPRINTINGI.ANALYSING OF DNA FINGERPRINT
CHARACTERISTICS OF DIFFERENT MINK GENETIC POPULATIONS[J].Journal of Hunan Agricultural University,1995(1). |
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| Authors: | Liu Rongzong Farid A |
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| Institution: | Liu Rongzong1 Farid A.
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| Abstract: | Mink DNA is extracted
from fresh liver tissue which is collected from both aclosed inbred and an open outbred
population,and DNA fingerprint profiles are prepared.DNA fingerprinting characteristic
indices,including average band frequncy and average bandsharing,of full sibs,half sibs and
unrelated individuals within each population have beencomputed.Regression of band sharing
on relatedness under different degree of inbreedinganalysed.The results show that band
sharing increased with the increment of relationship co-efficient whatever the degree of
inbreeding is,and the relationship between them is well rep-resented by a linear
approximation(r1=0.66,p<0.01;r2=0.77, p <0.01).However,thepopulation with higer degree of
inbreeding has a comparativly smaller slope,fewer polymor-phic bands and higher band
uniformity. |
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| Keywords: | mustelidae deoxyribonucleic acid population characteristics/Mink DNAfingerprinting |
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