Antibody diversity is a consequence of Group of answer choices the many types of viruses that exist in nature. differential regulation of antibody gene expression under different circumstances. shuffling of antibody genes into different combinations during B cell development. the huge number of antibody genes.

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

layer 3 is younger than layer 6.

if you listed your answers right then i believe your answer is b.