NEET AIPMT SOLVED PAPER MAINS 2011

  • question_answer
    Test cross in plants of in Drosophila involves crossing     

    A)  between two genotypes with recessive trait

    B)  between two \[{{\text{F}}_{\text{1}}}\]hybrids

    C)  the \[{{\text{F}}_{\text{1}}}\] hybrid with a double recessive genotype

    D)  between two genotypes with dominant trait.

    Correct Answer: C

    Solution :

    When \[{{F}_{1}}\] hybrid is crossed with recessive parent then it is called test cross. It is also a back cross. Test cross is done to test whether the dominant parent is heterozygous or homozygous.


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