《分子生物学》课程教学课件（PPT讲稿）第二章 基因概念的演变与发展 Concept of the Gene

What is Molecular biology ?Define in restrictivelyStudy of gene structure and theiractivities in molecular level

Define in restrictively Study of gene structure and their activities in molecular level What is Molecular biology ?

Gene conceptGene structureGenereplicationGene expressionGene recombinationGene mutationMolecular Biology of Gene

Gene concept Gene structure Gene replication Gene expression Gene recombination Gene mutation Molecular Biology of Gene

Chapter two Concept of the Gene

2.1经典的基因概念2.2基因概念的演变与发展2.3基因的分子结构2.4基因概念的多样性

2.1 经典的基因概念 2.2 基因概念的演变与发展 2.3 基因的分子结构 2.4 基因概念的多样性

What is Gene ?A gene is the basic physical and functional unit of heredityGenes, which are made up ofDNA, act as instructions tomake molecules called proteins.位于DNA分子上，一个可指导蛋白质合成的，基本的物理和功能的遗传单位。？（基因）基本因子

What is Gene ? A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. 位于DNA分子上，一个可指导蛋白质合成的， 基本的物理和功能的遗传单位。 基本因子（基因）

GENE? !准确传宗接代（基因复制replication)确保种瓜得瓜（控制性状expression)形成大千世界mutation)（突变重组

GENE？！ 准确传宗接代（基因复制 replication） 确保种瓜得瓜（控制性状 expression） 形成大千世界（突变重组 mutation）

2.1经典的基因概念1866.-1926

1866. -1926. 2.1 经典的基因概念

早期的基因概念

早期的基因概念

种瓜得瓜?种豆得豆

母亲与女儿父亲与儿子