homozygous

简明释义

英[ˌhɒməˈzaɪɡəs]美[ˌhoʊməˈzaɪɡəs]

adj. 纯合子的；同型结合的

英英释义

单词用法

同义词

反义词

例句

1.Homozygous tetraploid is a relatively balanced system, the continued selection is invalid.

纯合的四倍体是一个相对平衡的系统，继续选择是无效的。

2.Their newborn daughter died last year from a devastating dwarfism-related disease called homozygous achondroplasia.

他们的新生女儿去年死于一种破坏性很强的侏儒相关性疾病，叫做纯合软骨发育不良。

3.The periportal red hyaline globules seen here with periodic acid-Schiff (PAS) stain are characteristic for alpha-1-antitrypsin deficiency (a person with homozygous pi-ZZ genotype).

过碘酸-雪夫（PAS）染色时，门脉周围的红色玻璃样小球是α-1-抗胰蛋白酶缺乏症（pi-ZZ纯合子基因型患者）的特征表现。

4.Altogether, half the offspring will be homozygous at that particular locus.

加在一起，将有半数的后代在那个特定的位点上是纯合的。

5.The haploid plant is the best material for genetic research of carrot, and homozygous diploid formed by doubling chromosome of the haploid plant is also the best resource of breed seed selection.

而单倍体植株是胡萝卜遗传研究的最好材料，由单倍体植株染色体加倍而成的纯合二倍体，又是品种选育的最好资 源。

6.Children who were homozygous for the Arg16 allele and were exposed to two or more smokers had a 5-fold increased risk of lifetime wheeze.

Arg16等位基因纯合型的孩子同时家中有2个甚至更多的吸烟者的有多5倍的终生喘鸣的风险。

7.The homozygous form is fatal.

纯合子是致命的。

8.The haploid plant is the best material for genetic research of carrot, and homozygous diploid formed by doubling chromosome of the haploid plant is also the best resource of breed seed selection.

而单倍体植株是胡萝卜遗传研究的最好材料，由单倍体植株染色体加倍而成的纯合二倍体，又是品种选育的最好资 源。

9.The paper introduces the breeding methods of the homozygous two-type line, temporary maintainer line and complete sterile line with a recessive epistasis nuclear male sterile.

对甘蓝型油菜隐性上位细胞核雄性不育纯合两型系、临保系和全不育系的转育方法进行了介绍。

10.In genetics, an organism that is homozygous carries two copies of the same allele.

在遗传学中，一个纯合子生物体携带两个相同的等位基因副本。

11.A homozygous genotype can result in predictable traits being passed to offspring.

一个纯合子基因型可以导致可预测的特征传递给后代。

12.If a person is homozygous for a recessive gene, they will express that trait.

如果一个人是纯合子隐性基因，他们将表现出该特征。

13.The plant is homozygous for the dominant trait, meaning it has two identical alleles.

该植物是纯合子，意味着它有两个相同的等位基因。

14.The study focused on homozygous individuals to understand the effects of genetic variation.

该研究集中在纯合子个体上，以了解遗传变异的影响。

作文

In the field of genetics, understanding the concept of homozygous is crucial for studying inheritance patterns and genetic variation. The term homozygous refers to an organism that has two identical alleles for a particular gene. This means that both copies of the gene, one inherited from each parent, are the same. For example, if a plant has two alleles for flower color that are both red, it is considered homozygous for that trait. In contrast, an organism with two different alleles for a gene is termed heterozygous.The importance of being homozygous can be seen in various biological processes. For instance, in breeding programs, scientists often aim to produce homozygous individuals to ensure that specific traits are consistently passed down to future generations. This is particularly important in agriculture, where farmers might want to develop crops that have desirable characteristics such as disease resistance or higher yield. By selecting homozygous plants, they can achieve a uniform crop that meets these standards.Moreover, the study of homozygous genotypes is essential in medical genetics. Certain genetic disorders are associated with homozygous recessive alleles. For example, cystic fibrosis is caused by a mutation in the CFTR gene. Individuals who inherit two copies of the mutated gene (one from each parent) will express the disorder, whereas those who are homozygous for the normal allele will not. Understanding this concept helps geneticists predict the likelihood of diseases occurring in offspring based on the parents' genotypes.Additionally, the concept of homozygous is not limited to plants and animals. It also applies to humans. In human genetics, individuals can be homozygous for certain genes that influence traits such as blood type, eye color, and susceptibility to diseases. Genetic testing can reveal whether a person is homozygous for a particular trait, providing valuable information for personal health and family planning.In conclusion, the term homozygous plays a significant role in the understanding of genetics. It describes organisms that possess identical alleles for a given gene, which has implications in fields ranging from agriculture to medicine. By studying homozygous individuals, researchers can gain insights into heredity, genetic disorders, and the development of new species. As science continues to advance, the knowledge of homozygous and its effects on various traits will remain an important area of research in genetics and beyond.

在遗传学领域，理解homozygous的概念对于研究遗传模式和遗传变异至关重要。术语homozygous指的是一个生物体对特定基因具有两个相同等位基因。这意味着该基因的两个拷贝（一个来自每个父母）是相同的。例如，如果一株植物有两个花色基因都是红色的，那么它被认为是该性状的homozygous。相反，拥有两个不同等位基因的生物被称为杂合子。成为homozygous的重要性可以在各种生物过程中看到。例如，在育种计划中，科学家们通常旨在生产homozygous个体，以确保特定性状能够一致地传递给后代。这在农业中特别重要，农民可能希望开发具有抗病性或更高产量等理想特征的作物。通过选择homozygous植物，他们可以实现符合这些标准的均匀作物。此外，homozygous基因型的研究在医学遗传学中至关重要。某些遗传疾病与homozygous隐性等位基因有关。例如，囊性纤维化是由CFTR基因突变引起的。那些从每个父母那里继承两个突变基因拷贝的人将表现出该疾病，而那些对正常等位基因为homozygous的人则不会。理解这一概念有助于遗传学家预测基于父母基因型的后代发生疾病的可能性。此外，homozygous的概念不仅限于植物和动物。它也适用于人类。在人类遗传学中，个体可能在某些影响血型、眼睛颜色和疾病易感性的基因上是homozygous的。基因检测可以揭示一个人是否在某个性状上是homozygous，为个人健康和家庭规划提供宝贵的信息。总之，术语homozygous在理解遗传学中扮演着重要角色。它描述了那些对给定基因具有相同等位基因的生物体，这在农业到医学等多个领域都有重要意义。通过研究homozygous个体，研究人员可以深入了解遗传、遗传疾病以及新物种的形成。随着科学的不断进步，对homozygous及其对各种性状影响的认识将继续成为遗传学及其他领域的重要研究方向。