Exam 2: From Conception to Birth

What are the results of kangaroo care?

The fetus gains about 2 pounds in the third trimester.

Genes are located on chromosomes.

When the effects of genes add up to make the phenotype, they are called _____ genes.

Describe the symptoms of postpartum depression. What are possible outcomes of prolonged postpartum depression for the mother and the baby?

Babies considered small for gestational age:

An alternative to giving birth in a hospital is to arrange to give birth at home. This option is especially popular in Europe, where home births appear to have:

What is the main function of the placenta?

What body parts develop during the embryonic period?

Babies born under 1,000 grams (2 pounds 3 ounces) are considered:

During the germinal period, the first task of the zygote's outer cells is:

Every ovum a woman creates contains an X chromosome.

Chantal and Larry are considering having a baby. Chantal's doctor recommends that they stop using recreational drugs and update their immunizations:

How does the timing of exposure to a teratogen affect the risk of harm to the fetus?

When a person inherits a recessive gene that is not expressed in the phenotype, that person is a carrier of the gene.

What are behavioral teratogens, and what are the potential consequences of exposure to them?

A baby born three or more weeks early is called:

Holly learned from her science teacher that her height resulted from about 180 genes, each contributing a tiny amount of genetic information. Holly learned that her height was due to:

Julia had a baby 3 weeks ago. She has been feeling sad and inadequate as a mother, which has made caring for her newborn difficult. Julia may be experiencing:

Describe the difference between monozygotic and dizygotic twins.