Which set of these describes mutations that cause skin cancer and lung cancer?
a. somatic mutations
b. both "a" & "b"
c. gametic mutations
d. neither "a" or "b"

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

Which structure in the cardiovascular system connect arteries to veins?

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?