脱氧核糖核酸

Deoxyribonucleic acid (DNA) is the genetic material that carries the instructions for the development, function, and reproduction of all living organisms.
脱氧核糖核酸（DNA）是携带所有生物体发育、功能和繁殖指令的遗传物质。
The double helix structure of DNA was first described by James Watson and Francis Crick in 1953.
DNA的双螺旋结构是由詹姆斯·沃森和弗朗西斯·克里克于1953年首次描述的。
Genetic sequencing involves reading the sequence of nucleotides in DNA to understand its genetic code.
遗传测序是阅读DNA中的核苷酸序列，以理解其遗传密码。
DNA replication occurs during cell division, ensuring that each new cell receives an identical copy of genetic information.
DNA复制在细胞分裂过程中发生，确保每个新细胞获得相同的遗传信息副本。
DNA fingerprinting is a technique used in forensic science to identify individuals based on their unique DNA patterns.
DNA指纹技术是法医学中用于根据个人独特的DNA模式识别个体的技术。
Point mutations in DNA can lead to genetic disorders, such as sickle cell anemia or cystic fibrosis.
DNA中的点突变可能导致遗传疾病，如镰状细胞贫血或囊性纤维化。
DNA polymerase is an enzyme responsible for synthesizing new DNA strands during replication, following the template provided by the original strand.
DNA聚合酶是一种酶，负责在复制过程中按照原始链提供的模板合成新的DNA链。
Gene therapy aims to treat or prevent diseases by directly modifying a person's DNA.
基因疗法的目标是通过直接修改人的DNA来治疗或预防疾病。
DNA fragments can be isolated from cells using various molecular biology techniques, like PCR (polymerase chain reaction).
可以使用各种分子生物学技术，如PCR（聚合酶链反应），从细胞中分离DNA片段。
Comparative genomics involves comparing the DNA sequences of different species to understand their evolutionary relationships.
比较基因组学涉及比较不同物种的DNA序列，以了解它们的进化关系。