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In one series of insects males have 17 c...

In one series of insects males have 17 chromosomes while female have 18 chromosomes. The type of sex determination in that species is

A

XX

B

XY

C

XZ

D

YY

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NCERT TELUGU-HEREDITY-MEDICINE ORIENTED MATERIAL
  1. In one series of insects males have 17 chromosomes while female have 1...

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  2. what is inheritance of acquired characters?

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  3. Mendel selected a pea plant for his experiments. Mention the reasons f...

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  4. Why is Mendel considered as the father of Genetics ?

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  5. What is the perecentage of plants that exhibit dominant character in F...

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  6. In n l^(x) method, how many quantum numbers are there ?

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  7. Which of the following is the key feature for the member of the specie...

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  8. Fill in the blanks: In F1 generation, the phenotypic ratio is .

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  9. Fill in the blanks ……….are the sites of photosynthesis.

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  10. What is F1 generation?

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  11. Write a short note on the law of " inheritance of acquired characters"...

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  12. The process in which the transmission of traits from one generation to...

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  13. DNA or RNA segment tagged with a radioactive molecular is called

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  14. Fill in the blanks: The process of passing on the traits from parent ...

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  15. The expression of trait and character are controlled by

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  16. Double helical model of DNA was proposed by

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  17. Which chromosomes determine the sex in human beings?

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  18. How many number of pairs of autosomes are present in humans?

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  19. Fill in the blanks: Sperms and ova are called .

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  20. Who proposed theory of inhertitance of acquired characters?

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  21. Fill in the blanks: Theory of natural selection was explained by .

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