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Heredity and Ev...

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  • Question 1
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    Due to Starvation if beetles have low body weight then this character is transfer to the next generation or not it is based on __________.

  • Question 2
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    In a certain plant, yellow fruit colour (Y) is dominant over green fruit colour (y) and round shape (R) is dominant over oval shape (r). The two genes involved are located on different chromosomes.
    Which of the following will result when a plant - YyRr is self-pollinated?

  • Question 3
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    Choose the correct answer from the alternatives given.


    In a monohybrid cross between two heterozygous individuals, the percentage of homozygous individuals obtained in $$F_1$$ generation will be _________.

  • Question 4
    1 / -0

    Choose the correct answer from the alternatives given.


    In mice, black coat colour (allele B) is dominant to brown coat colour (allele b). The offspring of a cross between a black mouse (BB) and a brown mouse (bb) were allowed to interbreed. What percentage of the progeny would have black coats?

  • Question 5
    1 / -0

    Second-generation offspring from a cross are the

  • Question 6
    1 / -0

    Choose the correct answer from the alternatives given.


    The given Punnetts square represents the pattern of inheritance in a dihybrid cross where yellow (Y) and round (R) seed condition is dominant over white (y) and wrinkled (r) seed condition.

    YRYryRyr
    YRFJNR
    YrGKOS
    yRHLPT
    yrIMQU

    A plant of type H will produce seeds with the genotype identical to seeds produced by the plants of

  • Question 7
    1 / -0

    Choose the correct answer from the alternatives given.


    A recessive allele is expressed in __________________.

  • Question 8
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    The members of the same biological species are potentially able to

  • Question 9
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    The percentage of ab gamete produced by AaBb parent will be

  • Question 10
    1 / -0

    In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that

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