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$ Sicke cell anaemia is a type of pleiot...

$ Sicke cell anaemia is a type of pleiotropy.
! Sex linked inharitance is also called criss cross inheritance.

A

If both As and R are correct and R is correct explanation of As

B

If both As and R are correct but R is not correct explanation of As

C

If As is correct, R is wrong

D

If both As and R are wrong.

Text Solution

Verified by Experts

The correct Answer is:
B
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DINESH PUBLICATION-ENVIRONMENTAL ISSUES-Assertion and reason
  1. $ A cross between the pure recessive parent and the F-1 offspring is c...

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  2. $ Incomplete dominance is due to geneninteraction. ! Complementray g...

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  3. $ Sicke cell anaemia is a type of pleiotropy. ! Sex linked inharitan...

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  4. $ The term chromosome was introduced by Waldeyer. ! Sex chromosomes ...

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  5. $ DNA replication in a bacterial cell is bidirectional. ! A chromoso...

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  6. $ A chromosomes with equal sized arms is called isobrachial. ! Barr ...

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  7. $ Haemophilia is a sex linked disease ! Haemophilia is due to a rece...

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  8. $ X X^(C) represents the genotype of a human femanle which acts as car...

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  9. $ When the total number of chromosomes is not the exact multiple of th...

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  10. $ Inheritance of Kappa particles in Paramecium is type of extra-nuclea...

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  11. $ Night blindness is due to deficiency of vitamin "A" ! Actually the...

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  12. $ Genetic constitution of a person with Klinefeltr's syndrom is XXY. ...

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  13. $ "A" DNA contains eleven base pairs. ! "Z" DNA contains only nine b...

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  14. $ DNA replication is semiconservative. ! Helicases are the enzymes w...

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  15. $ That branch of biology which deals with the study of origin of life ...

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  16. $ The Heterotroph theory of origin of life was proposed by Haldane. ...

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  17. $ Wing of a bat is said to be homologous to the wing of bird and analo...

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  18. $ Colchicine is a chemical which can arrest cell division at metaphase...

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  19. $ Benign tumour remains confined whereas a malignant tumour undergoes ...

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  20. Ability of a gene to express more than one characters is called Pleiot...

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