BCECE Medical BCECE Medical Solved Papers-2002

  • question_answer
    A new species is formed when:

    A)  because of new genie populations organism with new traits are born

    B)  exchange of parts between homologous chromosomes takes place

    C)  change in the genotype in population leads to sexual isolation

    D)  the exchange of parts of chromosomes during gametogenesis leads to the formation of new genotype

    Correct Answer: C

    Solution :

    Speciarion is the process of forming two or more species from a single species. In sexual isolation individuals choose members of their own species and reject other species as mates. i.e., the changed genotype in population select their own type of species.


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