黑腹果蝇生活史的遗传学。I. 成年雌性的同胞分析。
Genetics of life history in Drosophila melanogaster. I. Sib analysis of adult females.
作者信息
Rose M R, Charlesworth B
出版信息
Genetics. 1981 Jan;97(1):173-86. doi: 10.1093/genetics/97.1.173.
Abstract
A sib analysis of adult life-history characters was performed on about twelve hundred females from a laboratory Drosophila melanogaster population that had been sampled from nature and cultured so as to preserve its genetic variability. The following results were found. There was no detectable trend with age in additive or dominance genetic variances for age-specific fecundity. Environmental variance for age-specific fecundity increased with age. The genetic variance for fecundity characters was primarily additive. The genetic variance for longevity was primarily dominance variance. There were negative genetic correlations between early fecundity and lifespan, as well as between mean egg-laying rate and longevity.
摘要
对大约1200只雌性果蝇进行了成年生活史特征的同胞分析，这些果蝇来自一个从自然界采样并进行培养以保持其遗传变异性的实验室黑腹果蝇种群。得到了以下结果。特定年龄繁殖力的加性或显性遗传方差没有随年龄出现可检测到的趋势。特定年龄繁殖力的环境方差随年龄增加。繁殖力特征的遗传方差主要是加性的。寿命的遗传方差主要是显性方差。早期繁殖力与寿命之间以及平均产卵率与寿命之间存在负遗传相关性。
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