Exam 29: Development, Growth, Aging, and Genetics

Which gland originates as two evaginations from the duodenum?

When the embryonic mass of cells develops an internal cavity, the mass of cells is called a(n)

A person's height, intelligence, eye color, and skin color are examples of

The oropharyngeal and cloacal membranes, when opened, allow the _____ to open to the outside.

Which of the following is derived from endoderm?

Which of the following is NOT a possible route for neural crest cells?

Which germ layer are the tonsils derived from?

Alcohol ingestion by a pregnant woman can cause birth defects in her baby; alcohol is a(an)

Increased lipid deposits in the tunica intima of large arteries is called

The inclusion of ______________ in a woman's diet during the early stages of her pregnancy significantly reduces the risk for neural tube defects in her developing embryo.

The gonads appear as the

Which of the following vitamins are thought to play a role in decreasing the physiological changes in aging?

Placenta previa occurs when

When stretch receptors in the cervix are stimulated by the continually increasing pressure of the fetus, afferent neurons send impulses to the maternal hypothalamus resulting in

A gene that is responsible for producing trypsin in the pancreas would be a ____ gene.

The allantois enlarges to form the

The prenatal period during which the major organ systems form is the

A mutation involving a single nucleotide is a _____ mutation.

The embryonic disk is initially composed of

If the zygote splits into two separate cells,