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

The major risks of a mother contracting the chicken pox during pregnancy include encephalitis, an enlarged spleen, and blood clotting problems in the baby.

Why would a person be naturally concerned about undergoing an amniocentesis or chorionic villus sampling during their pregnancy?

Kimberley is having a discussion with her friend Aasta about the genetic determinants of development. They cannot come to an agreement on what the functional units of heredity are. If they asked you to help them figure this out, what would you say?

The ____ is a structure that contains veins and arteries and connects a developing child to the placenta.

Although in-vitro fertilization is successful approximately 75% of the time, it is very expensive and is rarely covered by health insurance.

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. It is most likely that Maricella has an extra _____ chromosome.

Whose mother most likely took thalidomide while pregnant because she was unaware its potential to harm her baby?

Environmental teratogens pose a special risk for unborn babies because people are often unaware of their presence so pregnant women cannot protect themselves or their babies.

When a phenotype reflects the combined activity and influence of many separate genes, the pattern is known as _______________ inheritance.

While Jonah was making his way through his mother's birth canal, his umbilical cord got wrapped around his neck. Thankfully this situation was resolved before Jonah developed _______, which would have involved a disruption of oxygenated blood to his brain.

Troy is very interested in the field of fetal medicine. Given this, he would most likely be fascinated by a book titled

Once a zygote implants itself in the uterine lining, it officially becomes a(n) ____.

Jeanette and her husband Eric have recently engaged in sexual intercourse. After this activity was completed, an egg in Jeanette's Fallopian tube was fertilized by a sperm cell that was released by Eric. The result is a(n) ____, which marks the beginning of pregnancy.

David and Katie have always been close. In fact, they are so close that they shared the womb when their mother was pregnant with them. Given the information that you have already been given in this question, which of the following can you state conclusively?

How many stages of labor are there?

The research is clear that a pregnant woman may safely consume up to three glasses of red wine, four ounces of hard liquor or three standard-sized servings of beer a week without harming her unborn child.

The presence of teratogens during pregnancy creates the risk of problems in development. Your textbook identifies several principles that govern the relationship between teratogens and normal development. List and describe three of those principles.

Nora was born just after the 32nd week of pregnancy. According to your authors, she would be referred to as a ________ baby.

The sac in which an embryo rests during the second stage of prenatal development is called the _______________.

Charlotte has just found out that she is pregnant, and she is thrilled about the news. She is concerned, however, because although she knows that her weight and body will change over the next several months, she wants those changes to be healthy. Which of the following advice should you give?