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DNA克隆(DNA cloning):应用酶学的方法,在 体外将目的基因与载体DNA结合成一具有自我复 制能力的DNA分子—复制子,继而通过转化或转 染宿主细胞、筛选出含有目的基因的转化子细胞, 再进行扩增、提取获得大量同一DNA分子的过程。 DNA克隆又称基因克隆(gene cloning)。 基因工程(genetic engineering):实现基因克 隆所采用的方法及相关的工作
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Medical Genetics Multifactorial inheritance is responsible for the greatest number of individuals that will need special care or hospitalization because of genetic diseases
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Medical Genetics Introduction What is Medical Genetics? Genetic disease Role of Medical Genetics in Medical Education
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Linkage: Alleles of two genes segregate together during meiosis
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7.1 Introduction 7.2 Codon-anticodon recognition involves wobbling 7.3 tRNA contains modified bases that influence its pairing properties 7.4 (There are sporadic alterations of the universal code) 7.5 tRNAs are charged with amino acids by synthetases 7.6 Accuracy depends on proofreading 7.7 Suppressor tRNAs have mutated anticodons that read new codons 7.8 The accuracy of translation 7.9 tRNA may influence the reading frame
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2.1 Introduction We can think about mapping genes and genomes at several levels of resolution: A genetic (or linkage) map identifies the distance between mutations in terms of recombination frequencies. A linkage map can also be constructed by measuring recombination between sites in genomic DNA
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Genes vary in natural populations. Gene Variation Is the Raw Material of Evolution. Selection acts on the genetic variation present in populations, favoring variants that increase the likelihood of survival and reproduction
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是指对遗传信息的分子操作和施工,即把 分离到的或合成的基因经过改造,插入载体 中,导入宿主细胞内,使其扩增和表达,从而获 得大量基因产物,或者令生物表现出新的性状. 基因工程(genetic engineering)或 重组DNA技术(recombinant DNA technology) 二十世纪生物科学具有划时代意义的巨大 事件,推动了生物科学的迅猛发展,并带动了生 物技术产业的兴起
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1. A brief history of understanding protein metabolism; 2. The studies leading to the deciphering of the genetic codes; 3. The pathway leading to the synthesis of a functional protein; 4. Current understanding on protein targeting and degradation
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Professor and Chairman Department of Pediatrics, Tongji Hospital Director, Center for the Diagnosis of Genetic Metabolic Diseases Tongji Medical College Huazhong University of Science and Technology Adjunct Professor
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