Exam 1.2

Question 1

What is the method of research that involves extensive, in-depth interviews with a particular individual?

Answer 1

Case Study

Question 2

A researcher working with college-age football players is conducting a longitudinal study to examine an athlete’s decline in on-the-field performance as the athlete ages. What type of development would the researcher most likely be studying?

Answer 2

Physical

Question 3

What is the term for an environmental agent that produces birth defects?

Answer 3

Teratogen

Question 4

The process of __________ accounts for the replication of most types of cells, so nearly all the cells of the body will contain the same 46 chromosomes as the zygote.

Answer 4

Mitosis

Question 5

Scientists have discovered that carrying the sickle cell gene raises immunity to __________, which is a common disease in West Africa

Answer 5

Malaria

Question 6

If the child has an XX pairing on the 23rd chromosome, the child will be __________.

Answer 6

female

Question 7

Women who become pregnant during __________ are more likely to have premature deliveries.

Answer 7

adolescence

Question 8

When gametes are formed in the human body, this is called __________.

Answer 8

meiosis

Question 9

Any differences in future development of monozygotic twins can be attributed only to __________ factors.

Answer 9

environmental

Question 10

What is used to find genetic defects and involves taking samples of the hairlike material that surrounds the embryo?

Answer 10

Chorionic villus sampling (CVS)

Question 11

Which test is carried out 15 to 20 weeks into the pregnancy and allows the analysis of fetal cells that can identify a variety of genetic defects with nearly 100 percent accuracy?

Answer 11

Amniocentesis

Question 12

In __________, development is __________, with achievements at one level building on those of previous levels.

Answer 12

continuous change; gradual