Playworlds.org

Ok, so i have a 65 question quiz and there is some problems that i cannot find anywhere ( i can’t afford to buy the book so next time i know to go to school and rent it) but for now i have to do it online, so if you could answer them or steer me in the right direction that would be greatly appreciated thanks!

Males are more likely than females to be negatively affected by X-linked disorders because

a. the Y chromosome lacks many corresponding alleles to override those carried on the X chromosome.

b. the Y chromosome is much longer than the X chromosome.

c. their sex chromosomes match.

d. males are more likely than females to inherit recessive alleles.

16. A major weakness of the information-processing perspective is that

a. nonlinear aspects of cognition, such as creativity and imagination, are overemphasized.

b. it has had difficulty developing a comprehensive theory of cognitive development.

c. investigators have failed to study cognition under rigorous experimental conditions.

d. it is not relevant to the processing of social information.

33.
The case of PKU demonstrates that

a. serious inherited disorders are more often due to dominant than to recessive genes.

b. most inherited disabilities and disorders are untreatable.

c. even if we know the genetic makeup of the parents, it is difficult to predict the likelihood that children in a family will display a disorder.

d. changes in the environment can alter the extent to which an inherited disorder influences a person’s well-being.

34.
Males are more likely than females to be negatively affected by X-linked disorders because

a. the Y chromosome lacks many corresponding alleles to override those carried on the X chromosome.

b. the Y chromosome is much longer than the X chromosome.

c. their sex chromosomes match.

d. males are more likely than females to inherit recessive alleles.

35.
Studies of sex differences show that

a. rates of learning disabilities and mental retardation are higher among males than females.

b. rates of miscarriage, infant death, and birth defects are higher among females than males.

c. worldwide, approximately equal numbers of males and females are conceived.

d. worldwide, about 115 girls are born for every 100 boys.

61.
How did childbirth customs change after the industrial revolution?

a. More children were born at home than in hospitals.

b. The focus of childbirth expanded to include family and friends.

c. Doctors assumed primary responsibility, so women’s knowledge of birthing procedures and family participation declined.

d. The return to natural childbirth increased and fewer women required medication during delivery.

38.
Research on sex chromosome disorders show that

a. males with XYY syndrome are more aggressive and antisocial than are XY males.

b. most children with these disorders suffer from mental retardation.

c. females with a missing X chromosome often have trouble with spatial relationships.

d. verbal difficulties are common among females who are missing an X chromosome.

39.
According to ecological systems theory, the behaviors of each family member affect those of others. This represents the concept of __________ influences.

a. predetermined

b. universal

c. learned

d. bidirectional

51.
About __________ percent of zygotes do not survive the first two weeks of pregnancy.

a. 30

b. 15

c. 5

d. 1

Have you tried looking on line for reference info?

http://www.google.com/search?q=xy+chromosomes&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Posted on May 28th, 2010 under child development theories. RSS 2.0 feed. Leave a response, or trackback.