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Name on trait that does not blend....

Name on trait that does not blend.

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Which of the following is incorrect contrasitng trait studied by Mendel? Character contrasting traits

Assertion :- According to Mendelism, contrasting traits did not show any blending. Reason :- Only one of the parental traits was expressed in the F(1) while at the F_(2) stage both the tratis were expressed in the proportion of 1:1

(a) What do you understand by the term 'variation' ? (b) Name two human traits which show variation . (c) How does the creation of variation in a species ensure its survival ?

Zinc is extracted from zinc blende. The zinc blende is roasted. The solid product is mixed with coke in a blast furnace from which zinc vapours emerge. Write the equation for the roasting of zinc blende.

One of the following traits of the parents cannot be passed on to their future generations. This trait is :

Holandric traits are

MBD -HARYANA BOARD-PRINCIPAL OF INHERITANCE AND VARIATIONS-EXERCISE
  1. Name on trait that does not blend.

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  2. Fill in the blanks with suitable words: Human females are homogametic...

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  3. Fill in the blanks with suitable words: Haemophilia is a ...............

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  4. Fill in the blanks with suitable words: X-chromosome was previously na...

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  5. Fill in the blanks with suitable words: Turner's syndrome is due to .....

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  6. Fill in the blanks with suitable words: Klinefelter's syndrome is due ...

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  7. Fill in the blanks with suitable words: down's sydrome is due to ........

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  8. Fill in the blanks with suitable words: DNA fingerprinting was invente...

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  9. State true or false: Colour blindness is a sex linked disorder

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  10. State true or false: Human males are AA + XY and females are AA + XX.

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  11. State true or false: Haemophilia and colourblindness are Mendilian di...

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  12. State true or false: Klinefelter syndrome and turner syndrome are chr...

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  13. State true or false: In birds female has pairs of dissimilar sex chro...

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  14. State true or false: Human beings normally have 24 pairs of chromosom...

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  15. Coin one word for the following statements: The ancestral history of a...

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  16. Coin one word for the following statements: The occurrence of only one...

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  17. Coin one word for the following statements: Particular segment of DNA ...

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  18. Coin one word for the following statements: Chromosomes other than sex...

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  19. Expand PKU.

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  20. Genic balance theory was proposed by :

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  21. Males are XO and females XX in case of :

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