Chapter 4 & 5 Study Questions

Question 1

________ is the study of how genes are influenced by outside forcers other than changes in DNA

Answer 1

epigenetics

Question 2

a deficiency of ________ ____ was found to be causing cases of spina bifida

Answer 2

folic acid

Question 3

_____ is a federal law that prevents health insurers and employers from discrimination based on individuals genetic information

Answer 3

GINA

Question 4

brown eyes, brown hair, and round face are all examples of _________. while a persons genetic material stored in a triple code sequence is there ________.

Answer 4

phenotype; genotype

Question 5

all people with Down syndrome have expressivity but their _______ varies

Answer 5

penetrance

Question 6

________ ___ is the combination of DNA molecules that are not found together in nature

Answer 6

recombinant DNA

Question 7

example of autosomal dominant trait

Answer 7

marfan syndrome and von williebrand disease

Question 8

a child presents with cleft lip this is an example of

Answer 8

multifactorial inheritance disorder

Question 9

criteria for defining FAS

Answer 9

prenantal/postnatal growth retardation
neurologic abnormailites
short eye openings
intellectual impairment

Question 10

what is not a teratogenic agent

Answer 10

acetaminophen

Question 11

a teen boy comes in with cardiac symptoms. You note he has a large wingspan, very tall, long thin frame. You can assume he has

Answer 11

marfan syndrome