Problem
Select one of the bulleted concept items below, and compose four short, numbered sentences sharing what you think are the most important ideas a student of biology should know and try to remember about it.  Do not try to exhaust the topic - just give the four most important ideas according to the textbook (and any other sources you consult), with each sentence presenting a single idea.
a)	mitosis
b)	meiosis
c)	genetics
d)	DNA structure
e)	DNA replication
f)	Genome
g)	genotype versus phenotype
h)	Laws of heredity
i)	Cancer.