diploidy

简明释义

英[ˈdɪplɔɪdi]美[ˈdɪpˌlɔɪdi]

n. [遗] 二倍性

英英释义

单词用法

同义词

反义词

例句

1.The results indicated that all of the samples were diploidy except that there were 23 triploid materials in the white mulberry and that the drug mulberry were 22-ploidy.

结果表明：白桑类型中有23个材料为三倍体，药桑为二十二倍体，其余材料均为二倍体。

2.The results indicated that all of the samples were diploidy except that there were 23 triploid materials in the white mulberry and that the drug mulberry were 22-ploidy.

结果表明：白桑类型中有23个材料为三倍体，药桑为二十二倍体，其余材料均为二倍体。

3.The results showed: diploidy carcinoma which expressed positive BGAwere well differentiation, thick massive or reticular growth pattern and fewermetastasis.

发现，血型抗原表达阳性的二倍体肿瘤多分化较好，表现为团块状或网状生长且很少发生转移。

4.Haplont a haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.

是一个单倍体或生物体，该生物体体现二倍性仅限于合子的生活史中的营养阶段。

5.Haplont a haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.

单倍性生物：是一个单倍体或生物体，该生物体体现二倍性仅限于合子的生活史中的营养阶段。

6.A haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.

是一个单倍体或生物体，该生物体体现二倍性仅限于合子的生活史中的营养阶段。

7.In many organisms, including humans, diplody 二倍体 is the standard genetic condition.

在许多生物中，包括人类，diplody 二倍体 是标准的遗传状态。

8.The study of diplody 二倍体 helps scientists understand genetic diversity.

对diplody 二倍体 的研究帮助科学家理解遗传多样性。

9.Plants exhibit diplody 二倍体 in their somatic cells, contributing to their growth and development.

植物在其体细胞中表现出diplody 二倍体，这有助于它们的生长和发育。

10.Some species can undergo diplody 二倍体 formation through hybridization.

一些物种可以通过杂交形成diplody 二倍体。

11.Understanding diplody 二倍体 is crucial for genetic engineering applications.

理解diplody 二倍体 对于基因工程应用至关重要。

作文

Diploidy is a fundamental concept in biology that refers to the condition of having two complete sets of chromosomes in an organism. This means that for each chromosome, there is a pair - one inherited from the mother and one from the father. The term 'diploidy' is derived from the Greek word 'diplous', meaning double. Most animals and plants are diploid, which allows for greater genetic diversity and stability during reproduction. In humans, for example, diploidy is crucial for maintaining the integrity of our genetic information across generations. The significance of diplody (二倍体) lies in its role in sexual reproduction. During the process of meiosis, diploid cells undergo division to produce haploid gametes, which contain only one set of chromosomes. When two gametes unite during fertilization, they restore the diploid state in the zygote, ensuring that the organism has the correct number of chromosomes. This cycle of diploidy and haploidy is essential for the continuation of species and the evolution of genetic traits. Understanding diplody (二倍体) also helps explain various genetic disorders. For instance, conditions such as Down syndrome occur due to an extra copy of chromosome 21, leading to a triploid condition instead of the normal diploid state. Such abnormalities can arise during cell division, highlighting the importance of accurate chromosome segregation in maintaining diploidy. In addition to its biological implications, diplody (二倍体) has significant applications in agriculture and biotechnology. Many crops are cultivated as diploid organisms to enhance their growth and yield. By manipulating diploid structures, scientists can develop hybrid plants that exhibit desirable traits such as disease resistance or increased productivity. This has profound implications for food security and sustainable agriculture, particularly in the face of climate change and population growth. Moreover, research into diplody (二倍体) has led to advancements in genetic engineering. Techniques such as CRISPR-Cas9 allow scientists to edit specific genes within diploid organisms, paving the way for innovations in medicine and agriculture. By understanding how diploidy functions at a molecular level, researchers can create more effective treatments for genetic diseases and develop crops that can thrive in adverse conditions. In conclusion, diplody (二倍体) is a key concept in genetics that underpins the complexity of life on Earth. Its role in sexual reproduction, genetic diversity, and the development of various organisms emphasizes its importance in both natural ecosystems and human applications. As we continue to explore the intricacies of diploidy, we unlock new possibilities for enhancing health, agriculture, and our understanding of life itself.