Which pair of nitrogenous bases will form a bond in a dna molecule?

Dna is always read in the whereas rna is read in .

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?