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What are Sex chromosomes?...

What are Sex chromosomes?

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**Step-by-Step Solution:** 1. **Definition of Sex Chromosomes**: - Sex chromosomes are a specific type of chromosome that are involved in determining the sex of an organism. They are distinct from autosomes, which are chromosomes that do not determine sex. 2. **Types of Sex Chromosomes**: - In humans and many other organisms, there are two types of sex chromosomes: X and Y. - Females typically have two X chromosomes (XX), while males have one X and one Y chromosome (XY). ...
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ICSE-SAMPLE QUESTION PAPER 4-PART II
  1. Explain with suitable examples of ectoparasites and endoparasites.

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  2. Why is the polar region not a suitable habitat for tiny humming birds ...

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  3. What are Sex chromosomes?

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  4. What is recombination? Mention its applications with reference to gene...

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  5. Name the causative organism, transmission and symptoms of pneumonia.

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  6. Describe the characteristics a cloning vector must possess.

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  7. Define Parasitism

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  8. In commensalism

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  9. Define and give one examples of each: Mutualism

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  10. Describe the termination process of transcription in bacteria.

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  11. What is single cell protein ? Give its source and significance.

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  12. Define sacred groves. What is their role in the conservation of biodiv...

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  13. Explain the birth rate and death rate in population with the help of a...

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  14. Represent diagrammatically three kinds of age - pyramids for humn...

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  16. What are areas which have been responsible for the recent advances in ...

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  17. Why is Taq polymerase preferred in PCR ? Mention the source of this en...

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  18. Name three assisted reproductive technologies that help infertile coup...

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  19. Explain how this act as contraceptive: Cu-T

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  20. Explain how the act as contraceptive: Saheli

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