Which characteristics of mitochondrial DNA and chloroplast DNA sheds light into the evolutionary relationships between species?
a. mtDNA is found in all cells, whereas cpDNA is found in plant cells.
b. cpDNA and mtDNA are much larger and contain more information than nuclear DNA.
c. mtDNA and cpDNA have a low rate of mutation.
d. cpDNA is a combination of the two parents' nuclear DNA.