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Solutions 9. Heredity and Evolution - Additional Questions With Solutions | Class 10 Science - Toppers Study

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Solutions 9. Heredity and Evolution - Additional Questions With Solutions | Class 10 Science - Toppers Study

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Chapter 9 Science class 10

Additional Questions With Solutions class 10 Science Chapter 9. Heredity and Evolution

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Solutions 9. Heredity And Evolution - Additional Questions With Solutions | Class 10 Science - Toppers Study
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Chapter 9. Heredity And Evolution Additional Questions With Solutions Class 10

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9. Heredity and Evolution

| Additional Questions With Solutions |

Solutions 9. Heredity and Evolution - Additional Questions With Solutions | Class 10 Science - Toppers Study

Large question with answer

Q1. 'Different species use different strategies to determine sex of a newborn individual. It can be environmental cues or genetically determined'. Explain the statement by giving example for each.

Answer: Different species use very different strategies for this. Some rely entirely on environmental cues. Thus, in some animals, the temperature at which fertilised eggs are kept determines whether the animals developing in the eggs will be male or female. In other animals, such as snails, individuals can change sex, indicating that sex is not genetically determined. However, in human beings, the sex of the individual is largely genetically determined. In other words, the genes inherited from our parents decide whether we will be boys or girls.

Q2.

Other Pages of this Chapter: 9. Heredity and Evolution

1. Chapter 9. Heredity and Evolution | Chapter Review

2. Chapter 9. Heredity and Evolution | Text-book Questions

3. Chapter 9. Heredity and Evolution | Exercise

4. Chapter 9. Heredity and Evolution | Additional Questions With Solutions

5. Chapter 9. Heredity and Evolution | Additional Questions With Solutions

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