You are a researcher on a behavior genetics study studying identical and fraternal twins; based on what has been discussed in lectures, you would propose that the environment was responsible for a given behavior when you find which of the following patterns of correlations?Select one:a. .70 for identical twins; .35 for fraternal twins.b. .35 for identical twins; .70 for fraternal twins.c. .35 for both identical and fraternal twinsd. one cannot determine environmental effects in a behavior genetics study, only genetic effects