B). They both contain nitrogenous bases.
Before having the farm, he was asked to estimate the post - mortem interval of some human remains, and then they indicated because the flesh that was still there they could tell it was a year ago.
This is an example of CONDOMINANCY.
Condominancy is said to occur when two different alleles are combined together to form a different allele, in which the alleles are expressed equally and none of them is dominant. In the example given above, the black rat population mated with the white rat population to produce offspring that are grey in colour. Thus, the white and the black colour of the parents are not dominant, but are equally expressed to give gray colour.
