A.) Teenagers require more space than smaller children.
If your PCR product size was 172 and there were 130 base pairs next to a 14 base pair repeat, then there are 3 repeats.
Given that the newly used primer amplifies 130 base pairs that are near
(a) 14 base pair and
(b) the size of the pcr product is 172
Size = (number of base pairs * number of repetitions) + Initial/Primer Amplicon Value
172 = (14 * x) + 130
172 -130 = 14x
42 = 14x
3 = x
Therefore, we can say that the PCR product has 3 repeats.
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This the answer to the problem trust me im in 9th grade just trying to help out some kids
La respuesta es A) m=-2 b=5