PSY 230 Midterm Study Guide

How many of the pairs of chromosomes in normal human cells are considered autosomes?

46
1
12
22

22

Kendrie has the disease called sickle cell anemia. She is not just a carrier of the illness, but she actually has the disease itself. Which of the following best describes Kendrie's red blood cell alleles?

genotypical
homozygous
phenotypical
heterozygous

homozygous

Maricella was born several days ago, and her pediatrician has observed that she has almond-shaped eyes and a fold over her eyelids. In addition, her head, neck, and nose are smaller than other babies of her birth weight. With which of the following conditions would Maricella most likely be diagnosed?

Down syndrome
Turner's syndrome
Kleinfelter's syndrome
Phenylketonuria

Down syndrome

Which of the following is the correct order of the stages of pregnancy?

- period of the embryo, period of the zygote, period of the fetus
- period of the fetus, period of the zygote, period of the embryo
- period of the zygote, period of the embryo, period of the fetus
- period of the embryo, period of the fetus, period of the zygote

period of the zygote, period of the embryo, period of the fetus

For 10 to 15% of new mothers, the baby blues extend into months of irritability, feelings of low self-worth and apathy, and sleep and appetite disturbances. This condition, called postpartum ________, can influence a child's development if it persists.

depression
anxiety
psychosis
couvade

depression

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

Turkey
The United States of America
The Netherlands
Japan

Turkey

​If a woman smokes cigarettes or other forms of tobacco during pregnancy, which of the following effects is MOST likely to occur?

- They are more likely to give birth to a child with cystic fibrosis or sickle cell anemia.
- They are more likely to suffer a miscarriage or to have a child born with a lower birth weight
- They are more likely to have a child born suffering from spina bifida
- They are more likely to have a child who is born in the "breech" position, thus complicating their delivery and increasing the odds of requiring a Caesarian section procedure.

They are more likely to suffer a miscarriage or to have a child born with a lower birth weight

​If you are pregnant and want to get a prenatal test to assess various aspects of your unborn child's well-being, which of the following should you avoid if you suffer from trypanophobia (or the fear of needles)?

standard ultrasound
4-D color ultrasound
amniocentesis
fetal cardiac monitoring

amniocentesis

What is the current status of the use of genetic engineering to help treat illnesses that are caused by defective genes?

- Genetic engineering is still illegal in the United States, though other countries are using it on a routine basis.
- Some successful applications of genetic engineering have been seen with older children.
- Genetic engineering has never been successfully used in animals or human beings, but the theories are sound and research is ongoing.
- Genetic engineering has been found useful for metabolic disorders, but only when employed prior to the fetal stage of prenatal development.

Some successful applications of genetic engineering have been seen with older children.

How many stages of labor are there?

1
5
3
7

3