1.

ln which of the following organisms sex determination occurs under the effect of environmental factors? (A) Chrysemys picta (B) Homo sapiens (C) Drosophila melanogaster (D) Pavo cristatus

Answer»

Correct option  (A) Chrysemys picta 

Explanation:

ln 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. lt is an example of effect of environmental role on sex determination.



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