Explore BrainMass
Share

Explore BrainMass

    The Brain-behavior Link in Twins

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Environmentalists /nurture challenge the hereditarian arguments on several levels. First, they point out that there is no evidence of the existence of an "intelligence" gene or set of genes.

    © BrainMass Inc. brainmass.com October 10, 2019, 1:32 am ad1c9bdddf
    https://brainmass.com/psychology/anatomy-of-the-brain/brain-behavior-link-in-twins-338924

    Solution Preview

    Problem: Environmentalists /nurture challenge the hereditarian arguments on several levels. First, they point out that there is no evidence of the existence of an "intelligence" gene or set of genes.

    Solution:
    Much of the hereditarian/nature argument is based on two types of studies: those comparing IQ test performances of twins and those of adopted children. Because identical twins have the same genetic endowment, it is thought that any differences observed between them should be attributable to the effects of the environment. Hereditarians also suggest that one should observe more similarities in the IQs ...

    Solution Summary

    Much of the hereditarian/nature argument is based on two types of studies: those comparing IQ test performances of twins and those of adopted children. The explanation is given in 330 words with two references.

    $2.19