Assertion (A) : Each human trait is influenced by both paternal and maternal DNA. Reason (R) : As compared to the father, the mother contributes more amount of genetic material to the child.

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Assertion-ReasonInherited Traits in OrganismsSex Determination in Human BeingsCBSE PYQ

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Assertion (A) : A human child bears all the basic features of human beings. Reason (R) : It looks exactly like its parents, showing very little variations.

Assertion-ReasonImportance of Variation in ReproductionInherited Traits in Organisms

Consider the following statements : (i) The sex of a child is determined by what it inherits from the mother. (ii) The sex of a child is determined by what it inherits from the father. (iii) The probability of having a male child is more than that of a female child. (iv) The sex of a child is determined at the time of fertilisation when male and female gametes fuse to form a zygote. The correct statements are :

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