Chapter 3: Review & Preview Review – Genetic and Environmental Foundations Name 2 prenatal diagnostic methods that are routinely used for screening purposes. What is the most widely used prenatal diagnostic method that provides very accurate genetic information about the developing organism? T/F SES is a simple variable based on income. Preview – Prenatal Development Advantages and Disadvantages of Parenthood Family size, birth order and timing Prenatal Development Prenatal Environmental Influences

Socioeconomic Status (SES) A measure of an individual’s social position and economic well-being that combines three related variables: years of education, the prestige of one’s job and the skill it requires, and income.

Dominant-Recessive and Incomplete Dominance Inheritance A father with type AB blood and a mother who is heterozygous with type A blood are expecting a child. What are the possible genotypes and phenotypes for their child’s blood type? What is the likelihood of each? Which blood type illustrates an example of dominant-recessive inheritance? Which illustrates incomplete dominance?

X-linked Inheritance Why are males more likely to inherit certain conditions, such as hemophilia and red-green color blindness? If you have a mother who is red-green color blind, what is the likelihood that a male child of hers will also be color blind? What additional information would you need to predict the likelihood for a female child?

What is being depicted in each of the columns below? In normal human cells, how many chromosomes will result from each process?

Chapter 4 Quiz 1)Indicate which stage of labor (1, 2 or 3) matches each description. _____ Delivery of the baby _____ Delivery of the placenta _____ Dilation and effacement of the cervix 2)As a group, preterm infants are generally at greater risk for serious problems than are small-for-date infants. True/False 3)At birth, the newborn has well development sensory capacities – touch, taste, smell, hearing, and vision. True/False 4)About how many hours per day does the average newborn sleep?