请输入您要查询的字词:
单词
neutral selection
释义
neutral selection
Encyclopedia
农学
中性选择
释
neutral selection
中性选择
物种分子水平上的变化大多数是不影响生物体生存和繁殖的随机中性突变(neutral mutation),这种变化不会导致物种等位基因间产生明显的适应性、适合度差异,它们在群体中的频率由随机遗传漂变而非自然选择决定。
随便看
A. H. Schoenfeld
A. H. Schoenfeld (1947—)
A Hundred Tales by the Pine Window
A Hundred Years of Hong Kong's Cinema and Television Industry
A Hunter Meets His True Love
Ahura Mazda
ah uruq
A. Hurwitz
A. Hurwitz (1859—1919)
AHVC
A. H. Wilson
a hypothesis that the initials niang and ri belong to the ni in old Chinese
a hypothesis that there are complex consonants in old Chinese
a hypothesis that there are no labiodental in old Chinese
a hypothesis that there are no laminals in old Chinese
a hypothesis that there are voiceless nasal and lateral in old Chinese
a hypothesis that there is no departing tone category in old Chinese
a hypothesis that the yu initial at the fourth division belongs to the ding initial in old Chinese
a hypothesis that the yu initial at the third division belongs to the xia initial in old Chinese
a hypothesis that tonal distinctions are merged in old Chinese verses
A. H. 威尔逊
AI
AIAA
AIB
AIBD
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/1/5 20:48:14