10th Class Science Heredity and Evolution Question Bank Heredity and Evolution

  • question_answer
    In which of the following organisms sex determination occurs under the effect of environmental factors?

    A)  Chrysemys picta

    B)  Homo sapiens

    C)  Drosophila melanogaster

    D)  Pava cri status

    Correct Answer: A

    Solution :

    In Chrysemys picta, a species of turtle, high incubation temperature above 33°C results in development of female progeny while a temperature below 28°C produces only males. It?s an example of effect of environmental role on sex determination.                                                                 


You need to login to perform this action.
You will be redirected in 3 sec spinner