Exam 5: Genetics and the Development of the Human Brain

 What is the order of central nervous system (CNS) myelination, from its start to its completion?

 The term Hebb synapse is used to refer to a synapse that

 Twelve-year-old Heather has a smaller head circumference and less gray matter thickness than typical children of her same age, sex, and size. It is most likely that

 Which of the following is the best example of a phenotype?

 Javier and Alyssa are brother and sister, and both have O type blood. They know that their mother has type A blood, but do not know their father's blood type. Given this information, what could their father's blood type be?

 In human development, the nervous system develops from which germ layer?

 Two important processes that produce lasting but reversible changes in gene expression are histone modification and __________.

 The Minnesota Study of Twins Reared Apart found support for which of the following conclusions?

 Doctors recommend that those with phenylketonuria (PKU) adhere to the dietary restrictions associated with this condition throughout their lifetimes.

 You were recently introduced to your roommate's sibling. To your surprise, even though the siblings are the same sex, they look nothing alike. Which of the following is the best explanation of this situation?

 Without contact with any other embryonic cells, a mesodermal cell will differentiate into skin.

 A mutation of a person's DNA

 An allele that produces a phenotypical trait regardless of whether or not its pair is homozygous or heterozygous is

 Neurogenesis in adulthood

 Studies of schizophrenia indicate that this condition correlates with

 Different versions of the APOE gene are correlated with the development of

 The _____ is the set of all protein encoded and expressed by the genome of an organism.

 The genetic instructions of an organism is known as the

 In this illustration, migrating cells from the ____________________ zone wrap around ____________________ in order to find their correct location in the developing cortex. (Figure 5.15)

 Red-green color deficiency is due to a recessive gene on the X chromosome. Women can be carriers or have color deficienty, and men are either color deficient or not. If an unaffected male and a female who is a carrier have children, what is your prediction as to the color deficiency status of their children?