Question 1
The complete set of instructions for our physical and psychological characteristics is called our __________.
◦ phenotype
◦ recessive genes
◦ genome
◦ DNA
Question 2
Twin sisters Leah and Lily know they have the genetics for heart disease. Both sisters like to exercise, but Lily also has a high-stress job and only sleeps four hours a night. Leah is a yoga instructor and eats a mostly vegetarian diet. The field of epigenetics would suggest __________.
◦ the stress in Lily's life will increase her cortisol levels and therefore decrease her chance of heart disease
◦ the environment has the ability to change gene expression, so both women can change their risk of developing heart disease
◦ Leah will not get heart disease because she eats healthy and practices yoga
◦ the genetic predisposition will outweigh any lifestyle change, so they are both likely to develop heart disease
Tissues of Heart
heart
Mastering Genetics Chap 2
Mastering Genetics Chap 2
Heart Valves and Circulation of Blood
Crohn’s disease