Aman of blood group a and a woman of blood group b have a child. if both are heterzygous for the gene, what are the chances of them having a child with blood group b?

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

What is the name of the type of cell division that occurs in the prokaryotic cell cycle