摘要
以福寿螺的７个近交系为材料，按半双列杂交配制组合，观测了这些组合的幼螺成活率和成螺体重，利用聚丙烯酰胺凝胶电泳技术测定了７个近交系的α－酯酶和淀粉酶的酶谱，估算了同工酶基因座的Ｎｅｉ氏遗传距离以及幼螺成活和成螺体重的杂种优势率，讨论了Ｎｅｉ氏遗传距离与这２种杂种优势的关系。
The zymograms of α-esterase(α-Est) and amylase(Amy) for 7 inbred lines of Ampullaria gigas were obtained. Nei's genetic distances for the isozyme loci,and heterosis rates for the junior snail viability and adult snail yeild were estimated. The relationships between the genetic distances and the heterosis rates were also discussed .
出处
《北京师范大学学报（自然科学版）》
CAS
CSCD
1994年第2期259-262,共4页
Journal of Beijing Normal University(Natural Science)
基金
国家自然科学基金
