Evaluating data on phenotypes

Cards (4)

What is the genetic component of overeating?
Some people have an allele which leads to 30% less dopamine receptors, do not receive the cue to stop eating
What do antioxidants prevent?
Chronic diseases
How are antioxidant levels in berries genetic and environmental?
Genetic- different species have different levels
Environmental- Levels differ within the species
How are twin studies used to determine genetic and environmental characteristics?
Genetic: if both twins have it
Environmental: Any differences