Exam 2: Genetics and Prenatal Development

The concordance rate for schizophrenia among identical twins is .40; the concordance rate for schizophrenia is only .10 if a person's parent has schizophrenia.Explain what these numbers mean.Include a discussion of nature and nurture in your response.

What fertility technique extracts ova,combines them with sperm,and after a few days,implants two or three blastocysts into the woman's uterus?

What measure allows researchers to estimate not just genetic influence,but of how much the environment allows the genes to be expressed?

Which of the following is the cheapest,easiest,and safest way for physicians to monitor fetal development?

According to the text,what type of exercise stimulates the circulatory and muscular systems of the woman's body and increases her ability to process oxygen?

Your sister-in-law just finished her fourth month of pregnancy.She swears that she can feel the movements of her fetus.Is this likely? After what month do women generally feel the fetus move?

Of the following,which is a modern technique used for fertility treatment?

Give an example that explains the difference between phenotype and genotypes.

According to the text,what enhances the health of the pregnant woman and her fetus?

Which measure allows behavior geneticists to determine the percentage of similarity in phenotype among pairs of family members and is used mostly to examine mental disorders?

What is another name for the German measles?

What is the process of regular cell division called?

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

It is a misconception that females are primarily responsible for infertility,because ____% of the time it is the male who is the source of a couple's infertility.

If temperament were genetically based,which of the following would have the greatest degree of similarity?

Your friend has hemophilia and was worried that he could pass it to his offspring when he had children.What would you tell him?

Which period of prenatal development is considered the critical period and also a time in which teratogens can have a profound effect that endure into adulthood?

An individual's complete genetic makeup is his or her ____.

Concordance rate is defined as _____.

Which of the two sex chromosomes is significantly smaller and contains approximately 30% less genetic material?