Using the dna base sequences below, identify which two species are more closely related. support your
answer.
species a: cac gtg gac aga gga cac ctc
species b: cat gtg gac aga gga cac ctc
species c: cac gta gac tga gga ctt ctc

What happens when the cell copies its chromosomes

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 .

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time