1)You read a study claiming that exposure to a certain chemical increases the risk f cancer. Based on what you know about epigenetics, how might you counteract this effect? a.Study candidate genes for the specific type of cancer to identify treatments b.Eat foods that are known to turn on anticancer cells. c.Reduce stress to adjust hormone levels to counteract the effect of the toxin. d.Use DNA methylation to reduce the effect of the toxin.

2)Some scholars question the use of adoption studies for assessing heritability because a.Adoptive families provide a smaller range of environments than birth parents b.Adoptive families provide a broader range of environments than biological families c.There are too few adoptive families to study d.Studying adoptive families produces underestimates of heritability

3)Curly hair is the recessive kind of feature a.only if both parents have curly hair b.only if one of their parents have curly hair c.only if both or none of their parents have curly hair d. only if none of their parents have curly hair