Genes and Behavior

Question 1

Genotype

Answer 1

What genes say

Question 2

Phenotype

Answer 2

What is manifested physically

Question 3

Circadian rhythms in fruit flies

Answer 3

per & tim

Question 4

Obesity in mice

Answer 4

leptin

Question 5

Clumping vs solitary in C elegans

Answer 5

NPY

Question 6

Imprinting

Answer 6

Genes expression is determined by the parent that contributed them

Question 7

Epigenetics

Answer 7

Tags you get in the womb that turn on or off genes. Methyl groups

Question 8

Prader-Willi

Answer 8

Child receives abnormal chromosome from father

Associated with obesity and psychiatric symptoms

Question 9

Angelman Syndrome

Answer 9

Child receives abnormal chromosome from mother

Associated with mental retardation, epilepsy, absence of speech, hyperactivity, and inappropriate laughter

Question 10

PKU

Answer 10

Child has two abnormal copies of a gene that codes for the enzyme. Children who dont eat proteins won’t have problems.

Question 11

Common variant

Answer 11

Common mutations with small individual risk interact together to cause a disorder

Question 12

Rare monogenic model

Answer 12

Many genes can cause a disorder. One mutation alone can cause a disorder, but they are extremely rare