interbred

简明释义

英[ˌɪntəˈbred]美[ˌɪntərˈbred]

（使）混种 interbreed 的过去式和过去分词）

（使）异种交配（interbreed 的过去式和过去分词）

英英释义

单词用法

同义词

反义词

例句

1.In May a landmark genome analysis determined that humans most likely interbred with Neanderthals, and that as much as 4% of the modern human genome seems to be from Neanderthals.

在今年五月，一份具有划时代意义的基因分析结果显示，现代人很有可能跟尼安·德塔人杂交过，而且现代人的基因中有高达4%似乎是从尼安·德塔人来的。

2.Before disappearing, however, they interbred with our forebears on at least several occasions, and today we carry DNA from these encounters.

然而，他们消失前，至少数次曾与我们的祖先混种繁衍，今天我们携带的DNA就是来自他们的邂逅。

3.And, perhaps no surprise, some ancestors of modern humans also interbred with Denisovans.

没什么奇怪的，一些现代人的祖先还混交了丹尼·索瓦人。

4.Our idea is that the ancestors of Melanesians met the Denisovans in Southeast Asia and interbred, and the ancestors of Melanesians then moved on to Papua New Guinea.

我们的观点是，美拉尼亚人的祖先在亚洲东南部与丹尼·索万人相遇并通婚，然后美拉尼亚人的祖先来到巴布亚新几内亚。

5.Based on this gene shuffling, the scientists estimated that humans and the ancestors of the Altai Neanderthals interbred about 100,000 years ago - long before people were thought to have left Africa.

基于这种基因重组，科学家们估算出，人类与阿尔泰山脉尼安德特人的祖先在大约10万年前进行过混种繁殖——远在普遍认为的人类离开非洲的时间之前。

6.Based on this gene shuffling, the scientists estimated that humans and the ancestors of the Altai Neanderthals interbred about 100,000 years ago - long before people were thought to have left Africa.

基于这种基因重组，科学家们估算出，人类与阿尔泰山脉尼安德特人的祖先在大约10万年前进行过混种繁殖——远在普遍认为的人类离开非洲的时间之前。

7.Such percentages provide clues on how modern humans migrated and interbred.

这些百分数提示了我们现代人迁移和通婚的方式。

8.DNA studies, for example, suggest that our ancient human ancestors interbred, with Neanderthals possibly being absorbed into our gene pool and disappearing as their own distinct hominid species.

例如，DNA研究就显示古代人类的祖先也曾进行杂交，尼安德特人的基因很可能已被我们的基因库所吸收，而他们做为不同的原始人类物种却已经消失。

9.Scientists suspect that Neanderthals and Denisovans were not the only extinct races our ancestors interbred with.

科学家怀疑尼安德特人和丹尼索瓦人不是仅有的我们祖先与之混交而后灭绝的人种。

10.The wolves and coyotes interbred 杂交, creating a unique breed known as a coywolf.

狼和土狼杂交，创造了一种被称为土狼的独特品种。

11.In captivity, the two types of fish interbred 杂交 and produced offspring that displayed unusual colors.

在圈养环境中，这两种鱼类杂交并产生了显示出异常颜色的后代。

12.The scientists found that the two plant species had interbred 杂交 naturally in the wild.

科学家发现这两种植物在野外自然杂交。

13.Farmers often interbred 杂交 different strains of crops to enhance yield.

农民们经常杂交不同品种的作物以提高产量。

14.The two species of birds have interbred 杂交 over the years, resulting in a new hybrid.

这两种鸟类多年来已经杂交，导致了一种新的杂交种。

作文

The concept of species and their evolution has always fascinated scientists and nature enthusiasts alike. One interesting phenomenon in the world of biology is how different species can sometimes breed with one another, producing offspring that exhibit characteristics from both parent species. This process is known as interbred, which refers to the crossing of individuals from different genetic backgrounds. The implications of such occurrences can be profound, affecting biodiversity and the survival of species. In nature, interbred can occur between closely related species, often leading to hybrid vigor or increased resilience in the resulting offspring. For instance, the mating of two different species of frogs may produce hybrids that are better adapted to their environment than either parent species. This adaptability can be crucial in changing climates or ecosystems where one parent species may struggle to survive. However, this blending of genetic material can also lead to challenges, such as the dilution of distinct species traits. As hybrids become more common, the original species may face threats to their identity and survival. An example of this phenomenon can be observed in the case of domestic dogs. All domestic dogs belong to the same species, Canis lupus familiaris, but they have been selectively bred over thousands of years to create a wide variety of breeds. Occasionally, different breeds will interbred, resulting in mixed-breed dogs that inherit a combination of traits from their parent breeds. These mixed-breed dogs can often exhibit unique physical characteristics and temperaments, making them popular among pet owners. However, interbred does not always yield positive outcomes. In some cases, when species are forced to interbred due to habitat loss or environmental changes, the resulting hybrids may lack the necessary adaptations to thrive in their environments. For instance, the Florida panther, a subspecies of the cougar, faced severe population decline due to habitat destruction. To increase genetic diversity, conservationists introduced Texas cougars into the Florida panther population, leading to interbred offspring. While this initiative helped boost the panther's numbers, it also raised concerns about the potential loss of unique genetic traits specific to the Florida panther. Moreover, the interbred phenomenon is not limited to animals; it can also be observed in plant species. Cross-pollination between different varieties of plants can lead to new cultivars that possess desirable traits, such as improved disease resistance or higher yields. Farmers and horticulturists often take advantage of this natural process to enhance their crops through careful breeding practices. In conclusion, the concept of interbred is a double-edged sword in the realm of biology. While it can lead to beneficial outcomes, such as increased adaptability and genetic diversity, it can also pose risks to the integrity of species. Understanding the dynamics of interbred is crucial for conservation efforts and for maintaining the delicate balance of our ecosystems. As we continue to explore the wonders of nature, we must remain mindful of the consequences of interbred and strive to protect the unique characteristics that define each species.

物种及其进化的概念一直吸引着科学家和自然爱好者。生物学中一个有趣的现象是，不同物种有时可以相互繁殖，产生同时具有两个亲本物种特征的后代。这一过程被称为interbred，指的是来自不同遗传背景的个体之间的交配。这种现象的影响可能是深远的，影响生物多样性和物种的生存。在自然界中，interbred可能发生在亲缘关系较近的物种之间，通常会导致杂交优势或后代在适应性方面的增强。例如，两种不同物种的青蛙交配可能会产生比任何一个亲本物种更好适应环境的杂交种。这种适应性在气候变化或生态系统变化中至关重要，因为其中一个亲本物种可能难以生存。然而，这种遗传物质的混合也可能导致挑战，例如物种特征的稀释。随着杂交种的普遍存在，原始物种可能面临身份和生存的威胁。这一现象的一个例子可以在家犬的案例中观察到。所有的家犬都属于同一种物种，即Canis lupus familiaris，但它们在数千年的选择性繁殖中创造了各种各样的品种。偶尔，不同品种会interbred，产生继承父母品种特征的混合品种狗。这些混合品种狗往往表现出独特的外观特征和性格，使它们在宠物主人中颇受欢迎。然而，interbred并不总是产生积极的结果。在某些情况下，当物种由于栖息地丧失或环境变化而被迫interbred时，产生的杂交种可能缺乏在其环境中生存所需的适应性。例如，佛罗里达美洲狮作为美洲狮的一个亚种，由于栖息地破坏而面临严重的种群下降。为了增加遗传多样性，保护主义者将德克萨斯州的美洲狮引入佛罗里达美洲狮种群，导致了interbred后代的出现。虽然这一举措帮助提高了美洲狮的数量，但也引发了对佛罗里达美洲狮特有遗传特征潜在丧失的担忧。此外，interbred现象不仅限于动物；在植物物种中也可以观察到。不同品种植物之间的交叉授粉可以导致新培育品种的出现，具备改良的抗病性或更高的产量。农民和园艺师通常利用这一自然过程，通过精心的育种实践来提升他们的作物。总之，interbred的概念在生物学领域是一把双刃剑。虽然它可以带来有益的结果，如适应性和遗传多样性的增加，但也可能对物种的完整性构成风险。理解interbred的动态对于保护工作和维护我们生态系统的微妙平衡至关重要。随着我们继续探索大自然的奇妙，我们必须时刻关注interbred的后果，努力保护定义每个物种的独特特征。