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CBSE Class 10 Science Chapter 9 Heredity and Evolution Notes PDF

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CBSE Class 10 Science Chapter 9 Heredity and Evolution Notes PDF

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Questions and Answers

What does heredity refer to?

Gradual process of development of complex organisms

Study of genes, heredity, and variations

Transfer of traits within the same generation

Passing of characteristics from one generation to the next (correct)

What are genes?

The gradual process by which simple life forms lead to complex organisms

Functional units of heredity that transfer characteristics from parents to offspring (correct)

Traits transferred within a family

Short stretches of RNA that code for specific proteins

What is genetics?

Branch of biology dealing with the study of genes, heredity, and variations (correct)

Transfer of traits from one generation to the next

Study of dominant and recessive traits

Process by which variations lead to evolution

What does evolution refer to?

<p>Gradual process by which simple life form leads to the development of complex organisms over time</p> Signup and view all the answers

What do genes code for?

<p>Specific protein or RNA</p> Signup and view all the answers

Study Notes

Heredity and Genetics

Heredity refers to the passing of characteristics from parents to offspring through the transmission of genetic information.
Genes are the basic units of heredity, carrying information from one generation to the next.

What are Genes?

Genes are segments of DNA that code for specific traits or characteristics.
Genes code for proteins, which perform a wide range of functions in the cell.

Genetics

Genetics is the scientific study of heredity and variation in organisms.

Evolution

Evolution refers to the gradual change of species over time through the process of natural selection, genetic drift, mutation, and gene flow.

Gene Function

Genes code for specific proteins, which determine the development, growth, and function of an organism.
Genes also regulate the expression of traits, such as eye color, hair color, and height.

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Description

Access CBSE Class 10 Science Chapter 9 (now renumbered as Chapter 8) Heredity and Evolution notes in PDF format. Learn about heredity, the passing of characteristics from one generation to the next, and evolution, the gradual process leading to the development of complex organisms.