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Principles of Inheritance and Variation Test - 80

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Principles of Inheritance and Variation Test - 80
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  • Question 1
    1 / -0
    In Mendel's monohybrid cross for the shapes of pee seeds, 1600 seeds were obtained in F2 generation. What will be the number of round seeds and hybrid round seeds, respectively?
  • Question 2
    1 / -0
     
    In the given pedigree shaded box represents black guinea pig while non shaded box represent white guinea pig. Black skin is dominant over white skin in guinea pig. What is the possible genotype of III-1 and III-2 respectively?

  • Question 3
    1 / -0
    Which of the following is a recessive trait in garden pea?
  • Question 4
    1 / -0
    Reason of fast speciation in present day crop plants is?
    Solution

    Presence of one or more genomes in addition to the normal for the species is known as polyploidy. It causes fast speciation as it leads to complete reproductive isolation of an individual from other gene pools and it is found in nature due to the failure of chromosomes to separate at the time of anaphase.

  • Question 5
    1 / -0
    In a dihybrid cross,the $$F_2$$ ratio of $$15:1$$ is due to 
  • Question 6
    1 / -0
    Which node is the parent node of Node 5?
  • Question 7
    1 / -0
    How many child nodes does each node of Ternary Tree contain?
  • Question 8
    1 / -0
    Consider a weight balanced tree such that, the number of nodes in the left sub tree is at least half and at most twice the number of nodes in the right sub tree. The maximum possible height (number of nodes on the path from the root to the farthest leaf) of such a tree on k nodes can be described as _____________.
    Solution
    The number of nodes in the left subtree is at least half and at most twice the number of nodes in the right subtree.
    Total number of nodes can be described by the recurrence
    T(n) = T{(n-1)/3} + T{2(n-1)/3} + 1 T(1) = 1.
    Height of the tree will be H(n) = H{2/3(n-1)} + 1, H(1). 
    Drawing a recurrence tree and the cost at each level is 1 and the height will be log(3/2)n.
    So the correct answer is option D.
  • Question 9
    1 / -0
    What is the size of Node A?
  • Question 10
    1 / -0
    What is the location of parent node for any arbitary node i?
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