Exam 2: Biological Foundations: Heredity, Prenatal Development, and Birth.

During pregnancy, it is necessary for the mother to eat 10% to 20% more calories than regular in order to adequately provide for the needs of her unborn child.

Felicia is at the end of her pregnancy, and she is now in labor. She has been having contractions for about 18 hours, and her cervix is slowly dilating to approximately 10 centimeters. Which stage of labor is Felicia currently in?

Although an unborn child may be protected from many different maternal illnesses, such as colds and some strains of the flu, other illnesses can be extremely harmful to the baby. Which of the following is NOT listed as one of those illnesses?

If you were most interested in knowing the genotype of your unborn baby, perhaps to find out if there were specific genetic or chromosomal problems, which prenatal test would be most appropriate?

In order for a child to be described as having low birth weight, (s)he would have to weigh:

Young Marvin, just a few months of age, is growing at a slower rate than would be expected for his age. He has heart problems and a slightly misshapen face, and is often very fussy and difficult to soothe. Which of the following substances did his mother likely ingest on a regular basis during her pregnancy?

Of the following countries, which has the highest rate of infant mortality?

A reproductive technique that is used over 140,000 times and produces more than 55,000 babies each year in the United States is _______________.

Jeanette is concerned about getting pregnant with her husband, because she is afraid that she will pass on her recessive gene for a sickle cell disease and that her child will develop this condition. Based on what you know about the principles or dominant and recessive inheritance, what would you advise Jeanette?

Which of the following conditions, seen in pregnant women, involves high blood pressure, proteins in the urine, and swelling in the extremities due to fluid retention?

List the three stages of prenatal development in the correct order, and note how long each stage lasts. Indicate the major event that indicates the beginning and end of each stage. Finally, discuss the major events that take place within each stage.

About 10% to 15% of new mother experience the "baby blues," which is a very serious psychological condition that can lead to problems for the child.

The third stage of childbirth (labor) involves the expulsion of the afterbirth, also called the _______________.

The process of deliberately seeking environments that are consistent with one's heredity is called _______________.

Which of the following is NOT one of the three types of general risk factors identified by scientists for pregnant women and their babies?

How is it that DNA "knows" which specific amino acids, proteins, or enzymes to create?

Which type of allele is ignored when found in a heterozygous gene pair?

Which of the following is NOT one of the physical changes that a woman is likely to experience after pregnancy?

When Chester is conceived by his parents, he has the genetic instructions to grow up to be 6'1'' tall. During his childhood, however, he develops a digestive illness that significantly limits the amount of food he can eat, and he regularly fails to get enough vitamins in his diet. As a result, he grows up to be 5'11'' tall. In this example, a height of 6'1'' is best described as Chester's ____ and a height of 5'11'' is best described as Chester's ____.

The time between conception and birth is called the ____ period.