homozygote

简明释义

英[ˌhɒməˈzaɪɡəʊt]美[ˌhoʊməˈzaɪɡoʊt]

n. 纯合子，纯合体，同型合子

英英释义

单词用法

同义词

反义词

例句

1.Rates of homozygote for 35 microsatellite loci in three miniature pig breeds were calculated, and t-test for them were performed.

计算出三个小型猪品系个体样本在35个微卫星基因座的纯合率，并对其进行t检验。

2.A pair of genes was recessiveness homozygote, it was probably to be ill.

只要有一对基因隐性纯合时，即可患病。

3.Compared with wild type genotype, offsprings of mutant heterozygote and homozygote were at higher risk of CHD, with OR0.46 (95%ci: 0.31 ~ 0.69).

与野生基因型携带者相比较，突变杂合和突变纯合基因型携带者的子代罹患CHD的OR值为0.46 (95% CI： 0.31 ~ 0.69)。

4.No mutant homozygote was found.

有发现突变纯合子。

5.When the blood lead level was adjusted by covariance analysis, reactive time in choice reaction test of the ALAD1-2 genotype was closed to that of ALAD1-1 homozygote.

在应用协方差分析充分均衡了两组的血铅水平后，ALAD1- 2的选择反应时间与ALAD1- 1组十分接近。

6.The effects of this SNP on backfat thickness in Landrace, Yorkshire and Duroc were estimated using least square method. The homozygote pigs had thicker backfat than the heterozygote ones.

用最小二乘法分析SNP对长白猪、约克夏猪和杜洛克猪的背膘厚的效应的结果表明，纯合基因型个体的背膘厚大于杂合基因型个体。

7.The effects of this SNP on backfat thickness in Landrace, Yorkshire and Duroc were estimated using least square method. The homozygote pigs had thicker backfat than the heterozygote ones.

用最小二乘法分析SNP对长白猪、约克夏猪和杜洛克猪的背膘厚的效应的结果表明，纯合基因型个体的背膘厚大于杂合基因型个体。

8.A homozygote 纯合子 for a recessive trait will express that trait in their phenotype.

一个隐性性状的 homozygote 纯合子 将在其表型中表现出该性状。

9.When breeding plants, selecting a homozygote 纯合子 can help ensure uniform traits in the offspring.

在植物繁殖时，选择一个 homozygote 纯合子 可以确保后代特征的一致性。

10.In genetic studies, a homozygote 纯合子 has two identical alleles for a specific gene.

在遗传研究中，homozygote 纯合子 对于特定基因有两个相同的等位基因。

11.In a genetic cross, the offspring could be either a homozygote 纯合子 or a heterozygote depending on the alleles inherited.

在遗传交配中，后代可能是 homozygote 纯合子 或杂合子，这取决于继承的等位基因。

12.Researchers often study homozygotes 纯合子 to understand the inheritance patterns of certain diseases.

研究人员经常研究 homozygotes 纯合子 以了解某些疾病的遗传模式。

作文

In the study of genetics, understanding the concept of a homozygote is crucial for grasping how traits are inherited. A homozygote refers to an organism that has two identical alleles for a particular gene. This means that both copies of a gene in the organism's DNA are the same, whether they are dominant or recessive. For example, if we consider a gene that determines flower color in a plant, a homozygote could have two alleles for red flowers (RR) or two alleles for white flowers (rr). In contrast, an organism with one dominant and one recessive allele (Rr) would be termed a heterozygote.The significance of being a homozygote lies in its impact on an organism’s phenotype, which is the observable physical or biochemical characteristics. When both alleles are the same, the expression of the trait is more predictable. For instance, a plant that is a homozygote for red flowers will always produce red flowers, while a heterozygote may produce a mix of red and white flowers depending on the dominance of the alleles.In agriculture, the concept of homozygote is particularly important. Farmers often seek homozygote plants because they can ensure uniformity in crops. For example, if a farmer wants to cultivate a specific variety of corn that has desirable traits, selecting homozygote seeds ensures that all the plants grown will exhibit those traits consistently. This predictability is essential for maximizing yield and maintaining quality.Moreover, understanding homozygosity can also help in conservation biology. Many endangered species have low genetic diversity, leading to a higher frequency of homozygote individuals. This situation can result in inbreeding depression, where the accumulation of deleterious alleles can reduce the fitness of the population. Conservationists must be aware of these genetic dynamics to implement effective breeding programs that enhance genetic diversity and reduce the number of homozygote individuals.In human genetics, the implications of being a homozygote are equally profound. Certain genetic disorders are linked to homozygous recessive alleles. For example, cystic fibrosis is caused by a mutation in the CFTR gene, and an individual must inherit two copies of the mutated gene (one from each parent) to express the disease. Thus, understanding whether an individual is a homozygote for a particular gene can provide critical information regarding their health risks and potential carriers of genetic conditions.In conclusion, the term homozygote encapsulates a fundamental principle of genetics that plays a significant role in various fields, including agriculture, conservation, and medicine. By recognizing the importance of homozygotes, we can better understand inheritance patterns, manage biodiversity, and address human health issues. As science continues to advance, the knowledge of genetic principles like homozygosity will remain vital for future discoveries and applications.

在遗传学研究中，理解“homozygote”这一概念对于掌握性状的遗传非常重要。“homozygote”是指一个生物体在特定基因上具有两个相同的等位基因。这意味着该生物体DNA中的两个基因拷贝是相同的，无论它们是显性还是隐性。例如，如果我们考虑一个决定植物花色的基因，一个“homozygote”可能有两个红花等位基因（RR）或两个白花等位基因（rr）。相比之下，具有一个显性和一个隐性等位基因（Rr）的生物体将被称为杂合子。成为“homozygote”的重要性在于其对生物体表型的影响，表型是可观察到的物理或生化特征。当两个等位基因相同时，性状的表现更具可预测性。例如，一个是红花“homozygote”的植物将始终产生红花，而杂合子可能会根据等位基因的显性产生红花和白花的混合。在农业中，“homozygote”的概念尤为重要。农民通常寻求“homozygote”植物，因为它们可以确保作物的一致性。例如，如果农民想要种植一种具有理想特性的特定玉米品种，选择“homozygote”种子可以确保所有种植的植物都将一致地展现这些特性。这种可预测性对于最大化产量和维持质量至关重要。此外，理解“homozygosity”也可以帮助保护生物学。许多濒危物种的遗传多样性较低，导致“homozygote”个体的频率较高。这种情况可能导致近亲繁殖衰退，即有害等位基因的积累会降低种群的适应性。保护主义者必须意识到这些遗传动态，以实施有效的繁殖计划，增强遗传多样性并减少“homozygote”个体的数量。在人类遗传学中，成为“homozygote”的含义同样深远。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基因中的突变引起的，个体必须从每个父母那里继承两个突变基因拷贝，才能表现出该疾病。因此，了解个体是否是特定基因的“homozygote”可以提供关于其健康风险和潜在遗传病携带者的重要信息。总之，术语“homozygote”概括了遗传学的一个基本原理，在农业、保护和医学等多个领域发挥着重要作用。通过认识到“homozygotes”的重要性，我们可以更好地理解遗传模式，管理生物多样性，并解决人类健康问题。随着科学的不断进步，对“homozygosity”等遗传原则的认识将继续对未来的发现和应用至关重要。