Exam 2: Genetics and Prenatal Development

From a global perspective,which of the following is the most common teratogen to affect pregnancies?

What field is concerned with the question of how much genes influence development?

Fred was born into a family with high musical talent.Both of his parents were professional musicians who encouraged and fostered his musical development.Throughout childhood,he practiced the guitar whenever he could and eventually became a professional musician himself.Which of the following best describes Fred's genotype?

Sickle-cell anemia is an evolutionary defense against what disease?

By the end of the third week,the neural tube begins to form.This structure will eventually become ____.

Jill's mother was an All-American in the 1500m and qualified for the Olympic team in the marathon.Jill is a freshman in high school and does not think that she will need to train to become a member of the school's cross country team.Jill keeps telling you that her mother was a great runner,so she will also be a great runner.What do you think?

What teratogen causes the most widespread damage to prenatal development in developed countries?

According to the text,what is the most common teratogen worldwide?

It has been discovered that the fetus responds to sound at the end of the sixth month.What sound does the fetus prefer at this time?

Professor Glossner proposes that the heritability of temperament is .80.Which of the following statements does Professor Glossner propose?

Adult individuals with trisomy-21 are _____.

Your best friend has just learned that she is pregnant.She is a healthy person and is planning on engaging in aerobic exercise during her pregnancy.What would be your advice to her? She should ____.

Many countries have a lower rate of pregnancies resulting in spina bifida because ____.

Who are generally carriers of X-linked disorders?

Your aunt is pregnant for the first time.She has heard that Kegel exercises are a good idea,but does not know how to perform them.You would tell her to tense the ____.

What percentage of their genes do monozygotic twins have in common?

What prenatal technique uses high-frequency waves to examine the characteristics of the fetus in-utero?

The ____ period lasts from the ninth week after conception until birth.

Which of the following are three main sources for male infertility?

____ is an estimate of the extent to which genes are responsible for the differences among persons within a specific population.