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

The _______________ is designed to cushion the developing embryo and to help it maintain a constant temperature.

Exposure to a teratogen during the ____ period is most likely to result in a spontaneous abortion.

When each member of a pair of alleles produces a different outcome, the alleles are classified as _______________.

Implantation occurs when the zygote burrows into the placenta.

Who has created a gene?

The period of the ____ lasts for approximately two weeks. ​

When looking through a microscope at an entire set of human male chromosomes, how would you be able to differentiate an autosome pair from a sex chromosome pair?

Regan is a medical student who is learning a procedure in which a long needle is inserted into the abdomen of a pregnant woman. What technique is he most likely learning?

At five weeks after conception, a developing human is most accurately called a(n)

The thick, greasy substance that covers the fetus around five to six months after conception is called

Ectoderm is to endoderm as

How many of the following are potential teratogens: aspirin, nicotine, cocaine, and caffeine? ​

Longitudinal research on Hawaiian children indicated that problems associated with low birth weight

The threadlike structures in the nucleus of a cell that contain genetic material are called

Genotype is to phenotype as

By the time Debbie got to the hospital to deliver her child, the child had entered the vaginal opening. This means that Debbie was in the ____ stage of labor.

Which period is not considered part of prenatal development? ​

What is expelled during afterbirth?

DNA is short for _______________ acid. ​

After learning that his newborn son's birth involved hypoxia, Sven (a knowledgeable nurse)would most likely ask,