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- Random genetic drift has certainly played a big role in human evolution. 随机基因漂变对人类进化的作用的确巨大。
- The unflattering answer could be for no other reason than random genetic drift. 最佳答案是基因的随机变异,它一点儿不讨人喜欢。
- Much change is due to random genetic drift rather than positive selection. It could be called the survival of the luckiest. 许多变化源于基因的随机漂变而非自由选择。我们可以称其为幸运者生存。
- Neutral mutation -- Evolution at the molecular level is primarily determined by mutational input and random genetic drift, rather than by natural selection. 天然突变--演化过程中在分子的层次上主要是经由随机的基因流而决定,并非藉由天择所影响。
- Neutral mutation -- Evolution at the molecular level is primarily determined by mutational input and random genetic drift, rather than by natural selection. 天然突变--演化过程中在分子的层次上主要是经由随机的基因流而决定,并非藉由天择所影响。
- Evolution myths: Natural selection is the only means of evolution-Much change is due to random genetic drift rather than positive selection. It could be called the survival of the luckiest. 有一种意见认为,自然选择是进化的唯一方式。错!其实,不同个体之间的很多细微变化都源自“遗传漂变”,而不是自然选择。如果说自然选择是“适者生存”的话,遗传漂变就是“幸者生存”。幸,是幸运的幸。
- random genetic drift 随机遗传漂变
- "Over time, genetic drift can occur," Hackett says. “随着时间推移,遗传漂变出现了”,哈科特说。
- Thus even while genetic drift is a random, directionless process, it acts to eliminate genetic variation over time. 因此,即使遗传漂变是随机的、无方向的过程,随着时间的推移,它能消除遗传变异。
- This is one form of a process that biologists call genetic drift. 这是生物学家称之为遗传偏移的一种方式。
- The smaller a population, the greater the role of genetic drift. 人口规模越小的群落中,遗传漂变的作用越大。
- The question regarding is taken applicable only with respect to genetic drift. 因此近来繁殖问题只选用于遗传漂变。
- The random genetic effects in the model are able to be predicted by the Adjusted Unbiased Prediction (AUP) approach with MINQUE (0/1) method. 该模型中的随机遗传效应则可用MINQUE(0/1)法作调整无偏预测.
- Then, perhaps through a random genetic mutation, one tree, the calvaria, produced fruit with tougher seeds that could survive being eaten by the birds. 于是,多半是通过一种随机的基因突变,其中一棵树,大颅榄树,长出了较原来更为坚硬的,被鸟吞了也能幸存的种子。
- The result shows that genetic drift has a strong effect on the loss of genetic diversity. 结果表明 ,圈养大熊猫群体规模小 ,漂变是导致遗传多样性丢失的主要因素。
- Her age is calculated based on the molecular clock technique of correlating elapsed time with observed genetic drift. 她的年龄计算是基于与随着时间流逝而观测到的基因演变相关的分子钟技术。
- Genetic drift is often proposed to play a significant role in peripatric speciation. 在边域性物种形成中,遗传漂变常被认为会发挥重要作用。
- Mimicry arises as the result of evolution through natural selection and the occurrence of random genetic mutations that lead over many generations to the appearance of favorable characteristics. 拟态是无数代自然选择和遗传变异的进化而获得的有利特征的结果。
- Another possible reason of high differentiation ,could be from the reduced population size that induced the genetic drift. 另外,也可能是在其进化过程中,由于居群的缩小而发生了遗传漂变。
- Conclusions The existence of genetic drift may be the major factor in contribution of the haplotype differentiation in this isolated population. 指出遗传漂变的存在对本人群单倍型的非随机性有重要的影响。 结论使用本文的研究方法以及获得的结果可为不同地区隔离人群的同类研究提供经验和进行比较
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