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insens350 [35]
3 years ago
6

What does the polymerase chain reaction do

Biology
2 answers:
Crank3 years ago
8 0
Hello.

Polymerase chain reaction makes more copys of a single cell.

Have a nice day
Yuki888 [10]3 years ago
4 0

Answer:

it is used to generate multiple copies of a particular DNA section .

Explanation:

polymerase chain reaction is used to generate multiple copies of a particular DNA fragment.

Steps involved in the polymerase chain reaction

  • Denaturation in this process DNA strand is heated and it is separated into two DNA single strands
  • Annealing in this step DNA primers gets attach to the template DNA, while the temperature is lower.
  • Extension new stand is synthesis by increasing the temperature with the help of enzyme Taq polymerase.

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The tumor suppressors allele is analogous to the brake pedal in a vehicle while cyclins are like the gas pedal. The tumor supressors regulate, negatively, the replication of cells. If the tumor supressor is mutated, this is analogous to the brake pedals of the vehicle being broken,   This means that if two are broken, then the vehicle will be unable to stop and will continue moving. This same way, if tumor suppressors are mutated, the replication of cells will continue unregulated and casue a tumor.  

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Answer:

To determine the fraction for the inheritance of Red green colorblindness the genotype of their parents must be considered although neither John nor Ann is color blind there is a very high probability that Ann will be a carrier if that is the case the fractions of the daughters of John and Ann that are expected to be carriers of that trait is 50% chance.

Explanation:

A punnet square can be used to determine any possible genotypic combinations in the parents. color  blindness is a recessive X-linked trait in which the patient is not able to distinguish, red or green or blue color. The normal gene and its recessive allele are carried by X chromosome in men, this color blindness appears in the presence of a single recessive gene Whereas in women color blindness occur only when both chromosome carry the gene this shows criss cross inheritance

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