"Hereditary Diseases and Eugenics" PPT

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"Hereditary Diseases and Eugenics" PPT

Part One: Human Genetic Diseases

one. Human genetic diseases: refer to diseases caused by changes in genetic material or controlled by disease-causing genes.

chromosomal abnormality genetic disease

Common: meowing syndrome (deletion of chromosome 5), trisomy 21, gonadal dysplasia, etc.

Divided into: autosomal genetic diseases and sex chromosome genetic diseases

Dangers of genetic diseases

It endangers human health and reduces the quality of the population; it brings serious economic and mental burdens to the patients, their families and society; some mental patients bring harm to social security.

Environmental pollution is the main reason for the increasing incidence of genetic diseases.

Current status of genetic disease in my country:

1. The proportion of patients with genetic diseases in my country’s total population: 20%-25%

2. About 1.3% of newborns have congenital genetic defects

3. About 50% of spontaneous abortions are caused by chromosomal abnormalities!

4. There are more than 1 million people in my country suffering from Trisomy 21 syndrome.

5. Chromosome variation alone causes 520,000 spontaneous abortions every year.

Genetic diseases and eugenics and eugenics PPT, part 2 content: eugenics and eugenics

two. Eugenics and Eugenics

Eugenics: Using the principles of genetics to improve the genetic quality of humans. Let every family have healthy children.

1. Choose a good partner - marriage between close relatives is prohibited

my country's Marriage Law stipulates that direct blood relatives and collateral blood relatives within three generations are prohibited from marrying.

2. Genetic counseling

Suppose there is a healthy couple who want to have a child. They heard that color blindness is hereditary. They are worried that their children will inherit this disease in the future. They don’t know what to do, so they come to seek your opinion. If you are a genetic counselor, Doctor, what would you do?

3. Promote “age-appropriate childbearing”

4. Prenatal diagnosis

testing method:

1. Amniotic fluid examination

2. B-ultrasound examination

3. Blood cell examination of pregnant women

4. Villus cell examination

5. Genetic diagnosis

Diseases that can be diagnosed:

chromosomal disorders

congenital malformation

inborn errors of metabolism

sex-linked genetic disease

Keywords: Jiangsu Education Edition eighth grade biology PPT courseware for the second volume free download, genetic disease and eugenics PPT download, .PPT format;

For more information about the PPT courseware "Genetic Diseases and Prenatal and Postnatal Education", please click the "Genetic Diseases and Prenatal and Postnatal Education" ppt tab.

"Hereditary Diseases and Prenatal and Postnatal Education" PPT courseware:

"Hereditary Diseases and Prenatal and Postnatal Education" PPT courseware Part One: Genetic Diseases Definition: Genetic diseases refer to diseases caused by changes in genetic material or controlled by disease-causing genes..

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Update Time: 2024-10-02

This template belongs to biology courseware Jiangsu Education Edition 8th Grade Biology Volume 2 industry PPT template

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