Exam 2: Biological Beginnings

Dr.Santos designs studies to examine the influence of heredity and environment on individual differences in human traits and development.She investigates:

The designation preterm is determined by:

_____ syndrome causes males to have undeveloped testes, enlarged breasts, and tallness.Boys with this chromosomal disorder often have language, academic, attentional, and motor impairments.

Laura has a negative Rh factor, and her baby has a positive Rh factor.Which of the following may happen?

During which stage of childbirth is the fetus expelled from the womb?

Mr.and Mrs.Higgins learned that they both carry the gene for phenylketonuria.To learn about the odds of a future child getting the disease and possible prevention, they should participate in:

Baby Alec was born during his mother's 38^th week of pregnancy and weighed 5 lbs 2 oz.He is considered:

Neonatal deaths, preterm births, low birth weights, respiratory problems, and sudden infant death syndrome are all linked to which teratogen?

Gina is pregnant and is a heavy smoker.Compared to the baby of a nonsmoker, her baby is MORE likely to suffer from which of the following?

X-linked inheritance describes the inheritance of a(n):

While pregnant, Cindy lived in an old home with lead-based paint and she smoked and frequently drank alcohol.She likely exposed her unborn child to many:

Describe evolutionary psychology.

At approximately 6 to 24 weeks after conception, cells move outward from their point of origin to their appropriate locations and create the different levels, structures, and regions of the brain.This is known as _____.

Discuss three conditions that affect the severity of the damage and/or type of birth defects teratogens may cause.

It is believed that many genes interact to influence a psychological characteristic.This is the concept of:

Define a teratogen and list five teratogens.

During which prenatal developmental period do the following changes take place? Eyes appear, four chambers of the heart take shape, spinal cord begins to form, and the intestinal tract develops.

Evolution has not weeded out many harmful conditions that have their onset in old age.Give a possible reason for this.

Which of the following does NOT have 46 chromosomes?

The doctor tells Sharice and Jayden that their unborn baby is having problems because of a drastic change in temperature.The _____ has failed to perform its protective function.