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What are the causes of variations?...

What are the causes of variations?

Text Solution

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Following are the causes of variations:
(i) Dual percentage: Offsprings inherit some features from mother and some from father, hence no offspring will exactly resemble to either of the parent or each other.
(ii) Mutation in gene or chromosomal pattern also causes variations.
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Knowledge Check

  • Humans know from as early as 8000 to 1000 BC that causes of variations are found is

    A
    Vegetative reproduciton
    B
    Asexual reproduction
    C
    Vegetative and Asexual reproduction
    D
    Sexual reproduction

  • The basic cause of variations is

    A
    Mutations
    B
    Out crossing
    C
    Incrossing
    D
    Recombinations

  • One of the causes of variation known by early agriculturists, was hidden in

    A
    Formation of deploid gametes
    B
    Fusion of identical gametes
    C
    sexual reproduction
    D
    Both (1) & (2)

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