Exam 2: From Conception to Birth

Genes and alleles for alcoholism have been found exclusively on the Y chromosome.

Studies indicate that _____ may mitigate maternal depression by in part by increasing levels of the bonding hormone oxytocin.

What are the benefits of prenatal care?

Kelley just had a baby and now is experiencing a sense of inadequacy and sadness. She may have:

As of 2008, the rate of low-birthweight babies in the United States babies is ______ percent.

If the 23rd pair of chromosomes contains two X chromosomes than that individual is a male.

Mandy is pregnant yet she still smokes cigarettes, drinks alcohol, and does not eat well. Her baby may be at increased risk for the development of:

How do fathers experience pregnancy?

Birth takes place around 266 days after conception.

Eight-year-old Joe has no difficulty seeing things near him but sometimes struggles to see things in the distance. Joe gets his eyes checked and is told that he does not yet need corrective lenses for nearsightedness. Instead, drawing on current research, the ophthalmologist advises that he:

The phenomenon in which fathers experience symptoms of pregnancy and birth is known as:

An individual's genotype plus the epigenetic effects results in his or her _____.

In the United States, which is NOT a potential reason for the rise in the frequency of LBW babies?

The neural tube will become the:

Dizygotic twins originate from the same zygote; therefore, they have the same genotype.

Approximately once in every _____ births, an infant is born with 45, 47, or even 48 or 49 chromosomes instead of the usual 46.

A person's collection of genes is referred to as his or her _____.

If the 23rd pair of chromosomes is a(n) _____, the individual will be female.

What happens to the brain during the fetal period of development?

Identical twins are also called _____ twins.