HOMOEOLOGOUS HETEROZYGOSITY AND RECOMBINATION IN THE FERN PTERIDIUM-AQUILINUM

HOMOEOLOGOUS HETEROZYGOSITY AND RECOMBINATION IN THE FERN PTERIDIUM-AQUILINUM
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DOI：
10.1126/science.204.4398.1207
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发表时间：
1979-01-01
期刊：
SCIENCE
影响因子：
56.9
通讯作者：
SELANDER, RK
SELANDER, RK
中科院分区：
综合性期刊1区
文献类型：
--
作者：
CHAPMAN, RH;KLEKOWSKI, EJ;SELANDER, RK

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蕨类植物P. aquilinum可以在一代自交受精中形成完全纯合子，其遗传系统允许在这种纯合子的情况下储存和释放遗传变异。电泳上可证明的遗传标记的分布分析表明，该系统是基于重复的非连锁位点之间的重组。
The bracken fern, P. aquilinum, which can form completely homozygous zygotes in a single generation of self fertilization has a genetic system that permits storage and release of genetic variability despite this homozygosity. Analysis of the distribution of electrophoretically demonstrable genetic markers demonstrates that this system is based on recombination between duplicated, unlinked loci.