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

Ectoderm is to endoderm as

A physician has just informed pregnant Moesha that the human organism developing inside of her has just begun to show differentiation of its cells. As a knowledgeable student, you would know that such an organism is technically called a(n)

Hair and the nervous system develop during the embryonic period from cells contained in the ____ layer.

The developing human organism that has just become completely embedded in the wall of the uterus is called the

As a geneticist, you found that afetus has 47 chromosomes. What would be the most likely conclusion drawn from this information?

Janaka's two-year-old daughter is intellectually disordered (formerly known as mentally retarded) due, in part, to a diet that included fish, bread, and dairy products. The most likely diagnosis for Janaka's daughter is that she has

For healthy pregnant women, when a trained healthcare professional is present to assist,

Implantation occurs when the zygote burrows into the placenta.

Which statement concerning the sickle-cell trait is true?

If Agnieszka found out that she was conceived through in vitro fertilization, she would know for certain that

Regan is a medical student who is learning a procedure in which fetal cells are sampled from the mother's bloodstream. What technique is he most likely learning?

Which statement concerning preimplantation genetic screening (PGS) is false ?

The embryo is connected to the uterus via the fallopian tube.

Beth is 12 weeks pregnant and concerned that her fetus may have a genetic disorder. Describe two techniques that a physician could use to determine whether Beth's concerns are warranted. Also, discuss how fetal therapy could be used to deal with a disorder if one is identified.

ThThe functional units of heredity are

Maternal stress is most likely to negatively impact a developing embryo/fetus when that stress is

As dizygotic twins, Maya and Naomi

Physicians are currently able to correct spina bifida at around the seventh or eighth month of pregnancy using

Born 39 weeks after conception, Sasha weighs in at around 2 pounds. Given this information, Sasha is best defined as

Common symptoms of s spectrum disorder (FASD) include facial deformities, deafness, and intellectual disability (formally known as mental retardation).