Exam 27: Development Heredity

Where does fertilization usually occur?

A pregnant woman typically needs about 300 extra calories each day to support both herself and the fetus.

Which of the following is NOT a prenatal period?

A positive feedback mechanism initiates the rhythmic contractions of labor. Determine the hormones involved in this feedback loop.

List the periods of prenatal development.

Explain codominance using the ABO blood groups as an example.

Which of the following fetal vascular shunts bypasses the liver?

The best fetal position for birth is the:

When environmental factors influence gene expression, this is referred to as:

How is polyspermy prevented?

An adult heart should have a:

Explain how the gestation period differs from the prenatal period.

After birth, the mother may lose excess fluids from the uterus as:

Joanne is ready to give birth. How much should her cervix be dilated?

Which of the following vascular shunts connects the fetal left and right atria?

Which extraembryonic membrane forms the embryonic part of the placenta?

The pre ^-embryonic period starts with a process called gastrulation.

In humans, from which extraembryonic membrane will the first blood cells arise?

April has an abundance of freckles, a physical expression of her genes known as the:

The head and tail regions, ventral and dorsal regions, right and left sides are established by: