Regarding genetic factors in schizophrenia, which of the following statements is false?
a. When one identical twin has schizophrenia, the other twin has a 45 to 50 chance of having the disorder. b. About 13 of people with a schizophrenic parent develop the disorder themselves.
c. The closer the genetic relationship a person shares with a schizophrenic individual, the greater the likelihood that the person will have or develop schizophrenia.
d. Investigators have identified a single gene that is responsible for creating a genetic predisposition for schizophrenia.
e. Heredity plays an important role in schizophrenia, but biological and environmental factors also play important roles.
Question 2
Which of the following examples represents the most remarkable demonstration of teaching animals to communicate?
a. Kanzi's mother, a chimp who learned to communicate through the pushing of geometric shapes on akeyboard
b. Washoe the chimp who learned to combine signs into simple phrases
c. Sarah the chimp who learned to communicate through placement of plastic chips d. A chimp named Nim Chimpsky learned to sign via operant conditioning
e. Kanzi the chimp who learned to communicate through observation and imitation of his mother
A model genetic system, the fern Ceratopteris richardii
Exon recognition through cooperative binding of SR proteins and splicing factors
Hematopoietic Growth Factors
Factors in Food Security
Some Single-Gene Defects for Which Genetic Tests
Studying the genetic roots of mating and bonding behavior