Class 10 Biology Chapter 9 | Heredity and Evolution - Introduction

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✅ In this video,

✔️ Class: 10th
✔️ Subject: Biology
✔️ Chapter: Heredity and Evolution (Chapter 9)
✔️ Topic Name: Introduction - Heredity and Evolution | Class 10 Science (Biology) Chapter 9
✔️ Topics Covered in This Video: Class 10th Biology Chapter 9 Heredity and Evolution - Introduction
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00:00 Introduction: Heredity and Evolution
00:07 Introduction - Heredity and Evolution
08:16 Accumulation of Variation During Reproduction
21:19 Website Overview
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In human beings, which reproduce sexually, quite distinct variations are visible among different individuals.

In this chapter, we shall be studying the mechanism by which variations are created and inherited.

The long-term consequences of the accumulation of variations are also an interesting point to be considered.

Accumulation of Variation During Reproduction:
Heredity involves inheritance of basic body design (similarities) as well as some changes (variations) in it, from one generation to the next generation.

Progenies of Asexual reproduction would be similar or very minor differences arise due to small inaccuracies in DNA copying.

Sexual reproduction, on the other hand, generates even greater diversity.

This is so because sexual reproduction involves two parents (father and mother).

Always receive different combination of characters of their parents (father and mother).
These combination shows distinct differences (variations) in the progeny from its parents.
All the variations will accumulate slowly and pass on to generation to generation.

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