NEET AIPMT SOLVED PAPER SCREENING 2011

  • question_answer
    What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?

    A) 63   

    B)                                        84                     

    C)                        21                          

    D)        42                    

    Correct Answer: A

    Solution :

    The outermost cell layer of the endosperm (3n) of seed is called aleurone layer. Since the cells of aleurone layer are triploid, the number of chromosomes would be = 63, as root tip cells (2n) has 42 chromosomes.


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