"Heredity and Variation" Growth and Change PPT Courseware

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People's Education Press Fifth Grade Science Volume 2	pptx	6 MB

"Heredity and Variation" Growth and Change PPT Courseware

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Upload Time: 2024-09-08

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"Heredity and Variation" Growth and Change PPT Courseware

characteristics of life

Irritability

Growth and Development – Metabolism

Self-reproduction – hereditary

complex and orderly material structure

Organic compounds that make up life - biological macromolecules

sugar

Protein (enzyme)

nucleic acid

Lipids (vitamins)

material basis of life activities

The unity of opposites between heredity and variation

1. Heredity is relative and conservative; variation is absolute and developmental.

2. Without heredity, there would be no relative stability of species; without variation, no new traits would be produced, and it would be impossible to evolve species and breed new varieties.

3. The manifestations of heredity and variation are inseparably related to the environment.

4. Heredity and variation constitute biological diversity

Briefly describe the research content of genetics.

The nature of genetic material: the chemical nature of genetic material, the genetic information contained, and its structure, organization and changes, etc.;

Transmission of genetic material: replication of genetic material, behavior of chromosomes, genetic rules and changes in the number of genes in the population;

The realization of genetic information: the original function of genes, the interaction of genes, the regulation of gene effects, and the mechanism of genes in individual development, etc.

Keywords: Growth and Change teaching courseware, Heredity and Variation teaching courseware, People's Education Edition fifth grade science PPT courseware download, Volume 2, Fifth grade science slide courseware download, Growth and Change PPT courseware download, Heredity and Variation PPT courseware download,. PPT format;

For more information about the PPT courseware "Growth and Change Heredity and Variation", please click the Growth and Change ppt Heredity and Variation ppt tag.

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Update Time: 2024-09-08

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"Heredity and Variation" Growth and Change PPT Courseware