16. Mendel's law of independent assortment is based on F₂ ratio of

1. 1. 1 : 2 : 1

   
   
   

   2. 9 : 3 : 3 : 1

   
   
   

   3. 2 : 1

   
   
   

   4. 3 : 1

   
   
   

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   NA

   Correct Option: B

   NA

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17. Mendal select pea plant for his experiment because

1. 1. They are cheaper

   
   
   

   2. These are easily avilable

   
   
   

   3. These are of great economic importance

   
   
   

   4. They have contrasting fraits

   
   
   

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   NA

   Correct Option: D

   NA

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18. An exception to Mendel's principles / Mendel did not include in his discoveries.

1. 1. Dominance

   
   
   

   2. Purity of gametes

   
   
   

   3. Linkage

   
   
   

   4. Independent assortment

   
   
   

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   NA

   Correct Option: C

   NA

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19. Who proved that DNA is the basic genetic material ?

1. 1. Griffith

   
   
   

   2. Watson

   
   
   

   3. Boveri and sutton

   
   
   

   4. Hershey and Chase

   
   
   

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   NA

   Correct Option: D

   NA

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20. Sex chromosome in human male are named

1. 1. XX

   
   
   

   2. XO

   
   
   

   3. XY

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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