Exam 2: Genetics and Prenatal Development

Give an example of pregnancy advice that reflects cultural wisdom in traditional cultures. What is a plausible explanation that this advice is passed down from generation to generation?

What are the only cells in the human body that do not contain 46 chromosomes?

____ is the most common cause of infertility in women.

What sexually transmitted infection can be transmitted to the foetus during prenatal development and to the neonate during birth and later through breast milk?

Adult individuals with trisomy 21 are _____.

What disorder includes the following characteristics: short, stocky build; flat face; a large tongue; extra fold of skin on the eyelids; and possible cognitive deficits, hearing impairments and heart defects?

What prenatal technique uses a long, hollow needle to extract amniotic fluid to examine the foetus's genotype?

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

What is the most common approach to female infertility if the woman cannot ovulate properly?

How old are the ova of a 42-year-old woman trying to conceive?

According to the text, what structure provides a protective environment in which the foetus's temperature is well regulated and protects the foetus from friction caused by the mother's movements?

By the end of what month do pregnant women typically feel the movements of the foetus?

How much weight should a woman gain during pregnancy (provide an approximate range)? Provide one diet or exercise recommendation.

In the process of meiosis, how many chromosomes does the cell originally have, and how many chromosomes are present when the gametes are formed?

Which of the following have a 100% genetic similarity to each other?

Human sex cells, sperm and ova, each contain how many chromosomes?

____ is/are described as behaviours, environments and bodily conditions that could be harmful to a foetus.

Your friend's mother is extremely intelligent. As a result, even though he usually does OK in school (2.8 GPA), he is convinced that he is a genius. What do you think?

Which of the following are examples of teratogens?

What exercise strengthens the vaginal muscles and helps prepare the mother for the delivery of the foetus?