Chapter 12. Vocab

Question 0

Carrier

Answer 0

Heterozygous parent with one copy of recessive gene for dissorder, but no symptoms

Question 1

Pedigree

Answer 1

Family tree with information on the occurrence of a trait in a family

Question 2

Genetic Counselor

Answer 2

Analyzes family history (pedigree) for inheritance patterns of disorders

Question 3

Cancer

Answer 3

Uncontrolled cell growth leads to tumor

Question 4

Growth factor gene

Answer 4

Produces proteins that initiate cell division

Question 5

Tumor suppressor

Answer 5

Produce proteins that stop cell division

Question 6

Oncogene

Answer 6

A cancer gene

Question 7

Malignant

Answer 7

Can spread and become fatal

Question 8

Cystic Fibrosis

Answer 8

A human genetic disorder, most born to heterozygous parents

Question 9

Achondroplasia

Answer 9

Form of dwarfism

Question 10

Huntington’s Disease

Answer 10

Rapid nervous system degeneration leading to death

Question 11

Recessive lethal alleles

Answer 11

More common, usually do not affect a carrier, more likely to be passed on to offspring from 2 carriers

Question 12

Dominant lethal alleles

Answer 12

Uncommon, people with allele doe before passing on to offspring

Question 13

BRCA1

Answer 13

Inherited cancer, tumor-suppressor gene, if you inherit this gene you get a greater risk of breast cancer