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The invention of PCR make DNA fingerprinting possible because "PCR made it possible to produce enough copies for reliable tests".
<u>Option: C</u>
<u>Explanation:</u>
With the development of the PCR technique, DNA profiling has made enormous progress both in its distinguishing capacity and in its ability to survive information from very limited or damaged beginning samples. The PCR cycle mimics the biochemical mechanism of DNA replication yet restricts it to fragments of concern unique to DNA.
In the PCR method, the specimen of DNA is denatured by heating into separate polynucleotide strands. Two primers of DNA oligonucleotides are used for hybridization on opposite DNA strands to two matching nearby sites. Thus two new copies of the interest sequences are produced. Quantitative PCR methods allow accurate, high and automated calculations of the throughput.
<em>The lipid bilayer consist of two band of fat cells coordinated in two pieces.</em>
The best and the correct answer among the choices provided by the question is the second choice.
Temporal isolation could be the mechanism that <span>might keep Rana aurora and Rana boylii from mating.</span>
I hope my answer has come to your help. Have a nice day ahead and may God bless you always!
Answer:
A. 25%
Explanation:
According to the diagram, a free earlobe is dominant and an attached earlobe is recessive. This means that the trait of attached earlobes are only shown when they the allele ff.
Only one of the four possibilities have the allele ff, meaning the percentage is 25%.
