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How is the sex of the child determined i...

How is the sex of the child determined in human beings?

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To determine the sex of a child in human beings, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Chromosomes**: Human beings have a total of 46 chromosomes, organized into 23 pairs. Among these, 22 pairs are autosomal chromosomes, and the 23rd pair consists of sex chromosomes. 2. **Identifying Sex Chromosomes**: The sex chromosomes are designated as X and Y. Males have one X and one Y chromosome (XY), while females have two X chromosomes (XX). ...
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(a) How is sex determined in humans ?

In humans, genetically, the sex of the child is determined by the father and not by the mother. Explain.

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NCERT ENGLISH-HEREDITY AND EVOLUTION-Exercise
  1. How do Mendel’s experiments show that traits are inherited independent...

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  2. A man with blood group A marries a woman with blood group O and their ...

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  3. How is the sex of the child determined in human beings?

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  4. What are the different ways in which individuals with a particular tra...

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  5. Why are traits acquired during the life-time of an individual not inhe...

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  6. Why are the small numbers of surviving tigers a cause of worry from th...

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  7. What factors could lead to the rise of a new species?

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  8. Will geographical isolation be a major factor in the speciation of a s...

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  9. Will geographical isolation be a major factor in the speciation of an ...

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  10. Give an example of characteristics being used to determine how close t...

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  11. Can the wing of a butterfly and the wing of a bat be considered homolo...

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  12. What are fossils? What do they tell us about the process of evolution

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  13. Why are human beings who look so different from each other in terms of...

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  14. In evolutionary terms, can we say which among bacteria, spiders, fish ...

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  15. An example of homologous organs is

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  16. In evolutionary terms, we have more in common with

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  17. A study found that children with light-coloured eyes are likely to hav...

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  18. How are the areas of study – evolution and classification – interlinke...

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  19. Explain the terms analogous and homologous organs with examples.

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