《医学遗传学》课程教学课件（PPT讲稿）Intruction of Medical Genetics

Medical Genetics Department of Medical Genetics Zhang Jun

Medical Genetics Department of Medical Genetics Zhang Jun

The First Chapter Intruction of Medical Genetics

The First Chapter Intruction of Medical Genetics

Contents >Basic Concepts >Major Types of Genetic Diseases >The Hazard of Genetic Disease >A Brief History of Genetics >Reference >Emphasis

Contents ➢Basic Concepts ➢Major Types of Genetic Diseases ➢The Hazard of Genetic Disease ➢A Brief History of Genetics ➢Reference ➢Emphasis

Mutation Evolution *肩石§餐人

Mutation Evolution

Basic Concepts >Genetics is the study of heredity and its variation. >Medical Genetics is the application of genetics to medical practice. >Genetic diseases are the diseases which are due to altered genetic materials (genes or chromosomes)

Basic Concepts ➢Genetics is the study of heredity and its variation. ➢Medical Genetics is the application of genetics to medical practice. ➢Genetic diseases are the diseases which are due to altered genetic materials (genes or chromosomes)

Nature and Nurture 1=Environment Factor 2=Environment+Heredity Factor,but Environment>Heredity Factor 3=Environment+Heredity Factor,but Heredity Environment Factor 4=Heredity Factor

Nature and Nurture 1 2 3 4 1=Environment Factor 2=Environment+Heredity Factor,but Environment >Heredity Factor 3=Environment+Heredity Factor,but Heredity > Environment Factor 4= Heredity Factor

1 LOV 2 Normal stpis 爱四房想的0：lo,色 必9 70% 十二 2州

12

3 319米 4 Commen herted Huma

34

Several Misunderstanding ⑧“Familial disease”is genetic disease ⑧“Congenital disease'”is genetic disease

Several Misunderstanding  “Familial disease” is genetic disease  “Congenital disease” is genetic disease

Genes are the basic unit of inheritance. are composed of DNA(deoxyribonucleic acid) direct the formation of proteins. Different versions of the same gene are called alleles. Alleles result from the process called mutation

Genes ✓are the basic unit of inheritance. ✓ are composed of DNA (deoxyribonucleic acid). ✓ direct the formation of proteins. ✓Different versions of the same gene are called alleles. ✓Alleles result from the process called mutation