Erin examined her somatic cell karyotype and saw 23 pairs of homologous chromosomes. What is a homologous chromosome pair?
A. One set that came from her father.
B. Two chromosomes, one inherited from her mother and one from her father.
C. One set that came from her mother.
D. One chromosome from one parent that has duplicated in Erin's cell.
E. One set that came either from her father or from her mother.