Chapter 5 discusses some biological explanations that have been proposed to account for gender differences in cognitive ability. Which of the following statements is correct about these explanations?
a. Research has not supported a genetic explanation for gender differences.
b. The term lateralization refers to the fact that the X chromosome is larger than the Y chromosome.
c. In normal individuals, the left hemisphere is completely responsible for spatial tasks.
d. People who have more complete lateralization show the best performance on cognitive tasks.
Question 2
Which of the following students provides the most accurate summary of the research on spatial abilities?
a. Osmane: Gender differences are relatively large on some spatial tasks, but these gender differences can be reduced when the instructions are modified..
b. Anna: Not one of the gender differences is statistically significant, despite the media coverage of this topic..
c. Oswalda: Gender differences are large on tests of spatial visualization and spatial perception, but they are small on tests of mental rotation..
d. Fred: Individual differences are smaller on spatial tasks than they are on verbal or mathematical tasks..
A proposed molecular mechanism of prion diseases.
One proposed timeline of the origin of space, from physical cosmology.
Part B - Nondisjunction MasteringBiology Chapter 15
Standards of Gender
Proposed mechanism for UDP-galactose epimerase
Three proposed mechanisms of DNA replication tested by Meselson and Stahl