Question

Do you believe that other species have small differences in there genomes too? If so, do you think it would be better to identify these by using PCR or gene cloning? Which would be more efficient, and provide more accurate data?

Answer 1

Yes, species have differences in their genomes too as genes are made of DNA, and so is the genome itself. A gene consists of enough DNA to code for one protein, and a genome is simply the sum total of an organism's DNA. DNA is long and skinny, and differs from one individual to another and so does the genome.

PCR would be better to identify the differences as DNA analysis often requires focusing on one or more specific regions of the genome. Polymerase chain reaction (PCR) is a technique used to rapidly increase the number of copies of specific regions of DNA for further analyses. PCR uses a special form of DNA polymerase, the enzyme that replicates DNA, and other short nucleotide sequences called primers that base pair to a specific portion of the DNA being replicated.