1) Which of the following statements helps to describe why many people carry abnormal genes than are affected by them?
a) many genetic problems are recessive
b) most genetic disorders phenotypic
c) many genetic diseases are dominant
2) Epigentic theory holds that:
a) indivduals can change their genes by behaving in particular ways
b) all traits are influenced by genes
c) every aspect of development is set in advance by genes