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

Pregnant women who fail to consume enough vitamin A are at risk for giving birth to a baby with spina bifida.

The key lesson learned by the fact that thalidomide showed no impact when tested on prenatal rabbits but led to birth defects in prenatal humans is that

A Cesarean section is best thought of as

Identify one disease, one drug, and an environmental hazard that is known to negatively impact prenatal development. Be sure to describe the specific impact of each teratogen.

​​ As there is a history of hereditary disease in the families of Archie and Veronica, they have arranged a meeting with a specialist at which a family tree concerning the odds of them having a child with a birth defect will be constructed. This event would most accurately be described as

Wilma is afraid of the pain involved in delivering her baby. Are childbirth classes likely to help her?

_______________ sampling is a procedure in which a tissue sample is taken from the placenta.

By definition, premature infants are born prior to ____ weeks after conception.

Igor is approached by a mad scientist who says he will pay Igor either $100 for each pair of his autosomes or $500 for each pair of his sex chromosomes. Assuming Igor wants to make as much money as possible, which offer should he take?

The portion of the zygote that will eventually develop into the baby is called the _______________.

Within a typical human cell, which number is the greatest?

Research has demonstrated that childbirth techniques designed to reduce pain during labor do not work.

Linda has one allele for curly hair and another for straight hair. Linda's alleles are

The fact that the embryonic head develops before the body illustrates the ____ principle.

Compare and contrast development during the period of the zygote with development during the embryonic period.

The sample taken during an amniocentesis comes from

Dr. Proctor tells Uma that her developing embryo is showing distortions in the development of its circulatory system. As a knowledgeable student of human development, Uma should realize that the problem is within cells of the ____ layer.

Genes and environments

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

The moment at which the baby's head first appears at the vaginal opening during birth is called _______________.