Exam 2: Heredity, Environment, and Prenatal Development

Of infants who are conceived with alternative reproductive technologies and who are born as triplets or higher order multiples, what is their chance of being born premature?

Fragile X syndrome is more prevalent and more severe in females than in males.

At what gestational age do fetuses begin to respond to music?

Today all newborn babies in the United States are tested for:

When monozygotic twins are more similar on a trait than dizygotic twins, the trait is considered to be more rooted in:

Which group of women is not more likely to give birth to dizygotic twins?

Scott has blond hair; he must be _________________ for the hair color allele.

One prenatal genetic test that involves withdrawing fluid from the amniotic sac that is called:

Children who are adopted as infants seem to adjust better and have fewer problems than children adopted later in childhood.

Down Syndrome is also known as:

Give evidence that fetuses can learn in womb.

Which test would reveal if an infant may suffer from spina bifida?

A sudden but permanent change in a segment of DNA is known as:

The prenatal development begins:

Early in prenatal development, a structure of cells is formed from the ectoderm which will eventually develop into the brain and spinal cord. This structure is known as:

Susan is shorter than normal and has impaired spatial intelligence. She may suffer from which chromosomal abnormality?