discontinuous variations

简明释义

不连续变异

英英释义

例句

1.In the study of genetics, researchers often observe discontinuous variations 不连续变异 in traits such as flower color.

在遗传学研究中，研究人员经常观察到特征如花色的不连续变异。

2.The presence of discontinuous variations 不连续变异 in a population can indicate genetic diversity.

一个种群中存在的不连续变异可以表明遗传多样性。

3.In evolutionary biology, discontinuous variations 不连续变异 can lead to rapid changes in species.

在进化生物学中，不连续变异可能导致物种的快速变化。

4.The concept of discontinuous variations 不连续变异 is crucial for understanding how certain characteristics can appear suddenly in a population.

理解某些特征如何在一个种群中突然出现的概念是不连续变异非常重要。

5.Examples of discontinuous variations 不连续变异 include blood type differences among humans.

人类血型差异的例子就是不连续变异。

作文

In the study of biology, we often encounter various forms of variations within species. One fascinating concept that arises is the idea of discontinuous variations, which refers to distinct and separate traits that do not blend into one another. Unlike continuous variations, where traits such as height or skin color exhibit a range of gradual changes, discontinuous variations present clear-cut differences. For instance, in humans, traits like blood type, earlobe attachment, and the ability to roll one's tongue are examples of discontinuous variations. These traits can be categorized into specific groups rather than existing on a spectrum.The significance of discontinuous variations lies in their role in genetics and evolution. They often arise from single gene mutations, leading to distinct phenotypic expressions. This can be observed in certain animal populations, where specific characteristics, such as fur color in rabbits, can be directly linked to genetic variations. Such traits can provide advantages in survival and reproduction, thus influencing the evolutionary trajectory of a species.In agriculture, understanding discontinuous variations has practical implications. Farmers often select for traits that show clear variations among crops, such as disease resistance or fruit size. By identifying and propagating plants with these distinct traits, they can enhance crop yields and resilience. This selective breeding relies heavily on the principles of discontinuous variations, as it allows for the enhancement of specific desirable features without the ambiguity that continuous traits may introduce.Moreover, discontinuous variations can also be observed in animal breeding. Breeders often aim for specific characteristics in pets or livestock, such as coat color or size, which are easily identifiable. These traits exemplify the concept of discontinuous variations, as they can be distinctly categorized and selected for. The clear nature of these variations makes them a preferred focus for breeders who wish to achieve particular outcomes in their breeding programs.In conclusion, discontinuous variations play a crucial role in our understanding of biology, genetics, and evolution. They offer insights into how traits are inherited and expressed in different organisms. From practical applications in agriculture and animal breeding to theoretical implications in evolutionary biology, the concept of discontinuous variations provides a framework for understanding the diversity of life. By studying these distinct traits, scientists and farmers alike can make informed decisions that benefit both research and practical applications in the natural world.

在生物学研究中，我们经常会遇到物种内部的各种变异形式。一个引人入胜的概念是不连续变异，它指的是明显且分开的特征，这些特征之间没有融合。与连续变异不同，后者如身高或肤色表现出一系列渐进的变化，不连续变异则呈现出明确的区别。例如，在人类中，血型、耳垂附着和舌头卷曲能力等特征就是不连续变异的例子。这些特征可以被归类为特定的组，而不是存在于一个光谱上。不连续变异的重要性在于它们在遗传学和进化中的作用。它们通常源于单基因突变，导致明显的表型表现。这可以在某些动物种群中观察到，其中某些特征，如兔子的毛色，可以直接与遗传变异联系起来。这些特征可以提供生存和繁殖的优势，从而影响物种的进化轨迹。在农业中，理解不连续变异具有实际意义。农民通常选择那些在作物中表现出明显变异的特征，如抗病性或果实大小。通过识别和繁殖具有这些独特特征的植物，他们可以提高作物的产量和韧性。这种选择性育种在很大程度上依赖于不连续变异的原则，因为它允许在没有连续特征可能引入的模糊性的情况下增强特定的理想特征。此外，不连续变异也可以在动物繁殖中观察到。繁殖者通常旨在获得特定的宠物或家畜特征，如毛色或体型，这些特征易于识别。这些特征体现了不连续变异的概念，因为它们可以被明确分类和选择。由于这些变异的清晰性质，它们成为繁殖者希望在繁殖计划中实现特定结果时的首选焦点。总之，不连续变异在我们理解生物学、遗传学和进化中扮演着至关重要的角色。它们提供了关于特征如何在不同生物中遗传和表现的深入见解。从农业和动物繁殖中的实际应用到进化生物学中的理论意义，不连续变异的概念为理解生命的多样性提供了框架。通过研究这些独特的特征，科学家和农民都可以做出有利于研究和自然界实际应用的明智决策。