Exam 2: Heredity and Prenatal Development

What is the diagnosis of an infant born with 47 chromosomes instead of 46?

Describe two different methods of helping infertile couples.

Debbie was born with a disease that leaves her body unable to break down fats.Her doctors predict that she will NOT live beyond the age of 4 years.What disorder does Debbie have?

You are out with your friends and you want to dazzle them with your new child development knowledge.You decide to inform your friend Peter of his chromosome pattern.How pattern do you describe?

Rh incompatibility is primarily a problem after a first pregnancy.

After mitosis, a cell has 23 pairs of chromosomes.

What can cause infertility problems in men?

What has research found regarding illicit drug use during pregnancy?

Type A blood is a recessive trait.

Which of the following is a characteristic of dominant alleles?

Sperm are responsible for determining the gender of the offspring.

A friend of yours is pregnant.She has read about the potential problems that could occur with a pregnancy.On the basis of this chapter, what three pieces of advice would you offer to ease her concerns for her unborn child?

What characteristic distinguishes polygenic traits?

Down syndrome is associated with an extra chromosome on the 21st pair.

What term refers to the sperm's ability to move?

Two-week-old Isaiah, a child of Jewish heritage, is most at risk of having which disease?

It is currently impossible to select the sex of one's child.

What is the name of the thousands of segments contained in chromosomes?

Physicians may treat endometriosis through surgery or with hormones that temporarily prevent menstruation.

DES was used to prevent miscarriage in the 1940s and 1950s but caused cervical and testicular cancer in some offspring.