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Solution


Q.

Read the passage given below and answer the following questions from (i) to (v):

Gregor Johann Mendel is known as a “Father of modern genetics” for his work in the field of genetics. He gave three laws of inheritance followed as Law of dominance, Law of segregation and Law of independent assortment. He conducted his experiment on garden pea plants having contrasting characteristics. He performed self-pollination and cross-pollination to understand the inheritance patterns of traits.

 

(iv) The maleness of a child is determined by:
1 the X-chromosome in the zygote  
2 the Y-chromosome in zygote  
3 the cytoplasm of germ cell which determines the sex  
4 sex is determined by chance  

Ans.

(2)