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A man with blood group A marries a woman...

A man with blood group A marries a woman with blood group B.What will be the genotype of man and woman if one of their child is born with blood group O?Show the type of progeny formed with help of Punnett square.

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To determine the genotypes of a man with blood group A and a woman with blood group B, given that they have a child with blood group O, we can follow these steps: ### Step 1: Understand Blood Group Genetics Blood groups are determined by the presence of specific alleles. The alleles for blood groups are: - **IA** (A antigen) - **IB** (B antigen) - **iO** (no antigen, which corresponds to blood group O) ...
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MODERN PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION-REVISION EXERCISES (SHORT ANSWER TYPE-I(A. QUESTIONS FROM STATE BOARD EXAMINATIONS))
  1. What are multiple alleles?Give one example.

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  2. Differentiate between back cross and test cross.

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  3. What are point mutations?Give one example of point mutations

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  4. Differentiate between homozygous and heterozygous organisms.

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  5. What is pleiotropy ?Give one example?

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  6. What is sex-determination?Explain XX and XY type of sex determination.

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  7. What is back cross?Explain with example.

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  8. What is co-dominance ?Explain it by citing a suitable example.

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  9. Examine the following fragment of beta globin chain in human haemoglob...

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  10. What do you mean by pleiotropy ?Give example.

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  11. Distinguish between homozygous and heterozygous.

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  12. (a)Observe the above cross and name the phenomenon. (b)Write down th...

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  13. A man with blood group A marries a woman with blood group B.What will ...

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  14. What do you mean by incomplete dominance ?Give example.

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  15. Write a short note on Klinefelter's syndrome.

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  16. Write a short note on Down's syndrome.

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  17. Mention two differences between homozygous and heterozygous individual...

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  18. What are test cross and back cross?

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  19. How many X chromosome (s) and autosomes are present in human ovum?

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  20. Give the genotypic and phenotypic ratio of F(1), generation,when a hyb...

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