Which Structures Have the Same Length,shape,and Centromere Location

Question

Which structures have the same length,shape,and centromere location?  
A) Karyotypes
B) Histones
C) Bacteriophages
D) Nucleosomes
E) Autosome pairs

Accepted Answer

Autosome pairs have the same length, shape, and centromere location, which is a characteristic feature of homologous chromosomes.