atavistic developmental anomaly

简明释义

返祖发育异常;

英英释义

例句

1.The doctor identified a rare atavistic developmental anomaly 原始发育异常 in the patient that had not been documented before.

医生在患者身上发现了一种罕见的原始发育异常 atavistic developmental anomaly，之前未曾记录。

2.The geneticist explained how certain mutations can lead to atavistic developmental anomalies 原始发育异常 in offspring.

遗传学家解释了某些突变如何导致后代出现原始发育异常 atavistic developmental anomalies。

3.The researcher noted that the presence of an extra finger was an atavistic developmental anomaly 原始发育异常 that could provide insights into human evolution.

研究人员指出，额外手指的存在是一个原始发育异常 atavistic developmental anomaly，可能为人类进化提供见解。

4.In studying fossils, scientists often encounter atavistic developmental anomalies 原始发育异常 that suggest ancient traits in modern species.

在研究化石时，科学家们经常遇到原始发育异常 atavistic developmental anomalies，这表明现代物种中存在古老特征。

5.Some animals exhibit atavistic developmental anomalies 原始发育异常 that resemble their ancestors, providing clues about their evolutionary history.

一些动物表现出原始发育异常 atavistic developmental anomalies，与其祖先相似，为它们的进化历史提供线索。

作文

In the vast realm of biology and genetics, the concept of evolution plays a pivotal role in understanding how species adapt and change over time. However, there are instances where certain traits or characteristics resurface that seem out of place in the modern context. These occurrences are often referred to as atavistic developmental anomalies. An atavistic developmental anomaly (返祖发育异常) is a phenomenon where an organism exhibits traits or features that were typical of its ancestors but are not commonly found in its current relatives. This can manifest in various forms, including physical traits, behavioral patterns, or even genetic expressions that hark back to earlier stages of evolutionary history.One of the most fascinating aspects of atavistic developmental anomalies is how they provide insight into the evolutionary history of a species. For example, certain mammals may occasionally be born with tails, a characteristic that was prevalent among their distant ancestors. Such instances challenge our understanding of developmental biology and genetics, prompting scientists to explore the underlying mechanisms that allow these ancestral traits to re-emerge.The study of atavistic developmental anomalies is not limited to mammals; it can also be observed in plants and other organisms. In botany, researchers have noted plants that exhibit leaf formations reminiscent of ancient species, suggesting that genetic information from the past can still influence present-day growth patterns. This phenomenon raises intriguing questions about the stability of genetic coding and the potential for dormant traits to be expressed under certain environmental conditions.Moreover, atavistic developmental anomalies can serve as a reminder of the dynamic nature of evolution. While evolution is often viewed as a linear progression towards greater complexity, the presence of these anomalies illustrates that the path of evolution is not always straightforward. Instead, it can involve regression to earlier forms, highlighting the non-linear aspects of evolutionary change.Understanding atavistic developmental anomalies also has implications for conservation biology. As species face increasing pressures from climate change and habitat destruction, there may be a resurgence of ancestral traits that could either help or hinder their survival. For instance, a species that develops a trait that was advantageous in the past may find itself better equipped to survive in a changing environment. Conversely, these traits might also prove maladaptive in the face of new challenges.In conclusion, atavistic developmental anomalies offer a fascinating glimpse into the complexities of evolution and the interplay between genetics and the environment. By studying these anomalies, scientists can gain a deeper appreciation for the evolutionary processes that shape life on Earth. As we continue to explore the mysteries of our biological heritage, it is essential to consider how these ancient traits may inform our understanding of adaptation and survival in an ever-changing world.

在生物学和遗传学的广阔领域中，进化的概念在理解物种如何适应和随时间变化方面发挥着关键作用。然而，有些情况下，某些特征或特性似乎在现代背景下显得格格不入，这些现象通常被称为返祖发育异常。返祖发育异常（atavistic developmental anomaly）是一种现象，其中一个生物表现出其祖先典型的特征或特性，但在其当前亲属中并不常见。这可能以各种形式表现出来，包括身体特征、行为模式，甚至是追溯到进化历史早期阶段的遗传表现。返祖发育异常最引人入胜的方面之一是它们如何提供对物种进化历史的洞察。例如，某些哺乳动物偶尔会出生时带有尾巴，这是其远古祖先普遍存在的特征。这种情况挑战了我们对发育生物学和遗传学的理解，促使科学家探索允许这些祖先特征重新出现的潜在机制。返祖发育异常的研究不限于哺乳动物；植物和其他生物中也可以观察到。在植物学中，研究人员注意到一些植物展现出与古老物种相似的叶子形态，暗示过去的遗传信息仍然可以影响现代的生长模式。这一现象引发了关于遗传编码稳定性及在某些环境条件下潜伏特征表达的有趣问题。此外，返祖发育异常还提醒我们进化的动态特性。虽然进化通常被视为朝着更复杂的线性进程，但这些异常的存在说明了进化路径并非总是直线的。相反，它可能涉及向早期形式的回归，突显了进化变化的非线性特征。理解返祖发育异常对于保护生物学也具有重要意义。随着物种面临气候变化和栖息地破坏的压力，可能会出现祖先特征的复苏，这可能有助于或阻碍它们的生存。例如，一个发展出过去有利特征的物种可能会发现自己在变化的环境中更具生存能力。相反，这些特征也可能在面对新挑战时证明不适应。总之，返祖发育异常为我们提供了对进化复杂性及遗传与环境之间相互作用的迷人洞察。通过研究这些异常，科学家们可以更深入地理解塑造地球生命的进化过程。当我们继续探索生物遗产的奥秘时，必须考虑这些古老特征如何影响我们对适应和生存的理解，以应对不断变化的世界。