Professor Glossner proposes that the heritability of temperament is .80 . Which of the following statements does Professor Glossner propose?
a. A large portion of temperament is determined by genetics.
b. A large portion of temperament is determined by environment.
c. 80% of temperament is determined by the X chromosome.
d. 20% of temperament is determined by the X chromosome.
A. Heritability is an estimate of the extent to which genes are responsible for the differences among persons within a specific population. The value of the heritability estimate ranges from 0 to 1.00 . The higher the heritability, the more the characteristic is believed to be influenced by genetics.
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