Biology chapter 2
, 2.1 Cell division
Each of our cells
has a nucleus that
contains A gene controls a
chromosomes. characteristic. It is
Chromosomes carry section of DNA
the information for
making new cells You have 46
Genes are grouped
chromosomes in t
together on
nucleus of your ce
chromosomes and
that are arranged
each chromosome
23 pairs. One from
may carry
your father and on
thousands of genes
from your mother