Hemophilia is a type of sex-linked genetic abnormality. (True or false?)

Hemophilia is a type of sex-linked genetic abnormality.
 
  Indicate whether the statement is true or false

Question 2

Research on aggression has shown:
 
  a. no biological influences.
  b. children may learn to be aggressive by watching others.
  c. peers are most likely to react negatively to aggressive children.
  d. no relationship between aggressive behavior and violent television.

Question 3

Most people with Tay-Sachs disease die in their mid- to late-forties.
 
  Indicate whether the statement is true or false

Question 4

Longitudinal studies show that:
 
  a. aggressiveness tends to decrease across time.
  b. girls tend to be more physically aggressive than boys across time.
  c. non-aggressive children tend to become aggressive as they get older.
  d. aggressive tendencies tend to be stable over time..

Question 5

Sickle-cell anemia is more common among Caucasian Americans than minority groups in the US.
 
  Indicate whether the statement is true or false