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

Monozygotic is to ____ as dizygotic is to _____.

When laboring women are supported by a trained attendant or companion, their labors are shorter and they use less medication.

An embryo rests in a sac called the placenta, which is filled with amniotic fluid that cushions the embryo and maintains a constant temperature.

Alissa is a 41-year-old, married, professional woman who has just found out that she is pregnant with her third child. According to your textbook, which of the following conditions is her baby at higher risk of due to Alissa's age?

Why would it be fair to say that physicians Grantly Dick-Read and Ferdinand Lamaze revolutionized approaches to childbirth?

Steve is on a first date with Valerie, who is very enamored with his beautiful blue eyes. Steve's _______________, or the physical expression of his genetic code, may have guaranteed him a second date!

Roz is in the process of giving birth to her daughter. The baby has made its way from the uterus into the vagina, and is currently being expelled from Roz's body as Roz contracts her abdominal muscles. In which stage of labor is Roz?

Ferdinand _______________ was one of two physicians who revolutionized childbirth by advocating for a more "natural," or prepared childbirth and saw it as a life event to be celebrated rather than a medical event to be endured.

Marsha's doctor informs her that her child is just entering the longest period of prenatal development. About how long has Marsha been carrying her unborn child?

Which of the following describes one of the reasons why stress hormones that are elevated in women who are highly anxious during pregnancy can negatively impact the baby?

If a dominant gene meets up with a recessive gene, the traits that are contained in the dominant gene will ultimately be expressed.

Despite the fact that a human female has a normal pregnancy duration (or gestational period) of 38 weeks, people often refer to pregnancy as a 40-week event. Why is this?

Larry and Ira are brothers who are two years apart in age. Larry went to one public school for his grade school years, but before Ira could go to that school the district underwent a rezoning. Ira, therefore, ended up going to a different school with less-qualified teachers and fewer resources. As a result, Larry tended to perform much better in school than Ira did. This example demonstrates the influence of

According to the weatherman on the local news, the outside temperature today will reach 102 degrees, with a possible heat index of 110 degrees. Thankfully for Quanetta, who is pregnant with her second child, the ________ will maintain a constant temperature for her unborn baby.

Once a zygote implants itself in the lining of the uterus, it becomes a fetus.

Increased maternal age brings a heightened risk of certain difficulties, both with the pregnancy and for the child. Specifically, when the mother is pregnant after the age of 40 there is an enhanced risk of the child being born with _______________, a chromosomal disorder associated with delayed physical, cognitive and social development.

Pregnant Patty's body is currently experiencing the event that triggers hormonal changes that will prevent further menstruation. This event is called

In general, pregnancies are most likely to proceed normally when the mother is between the ages of 20 and ____ years.

Which of the following structures eventually develops into a baby?

How many chromosomes are found in the organism that results from the union of a human sperm cell and an egg cell?