Practice Questions

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#Question id: 13102

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.)
You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.

Why is it that having more repeats leads to a band that is higher in the gel?

#SCPH28 | Zoology

Because they are homozygotes at this region
The more repeats you have, the longer your DNA fragment is, and longer DNA fragments migrate more slowly in gels.
Because they are heterozygotes at this region
The less no. of repeats you have, the longer your DNA fragment is, and longer DNA fragments migrate more slowly in gels.

More Questions

TLS Online TPP Program

#Question id: 4342

#SCPH06 I Botany

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the operator to the far end of the operon, past the transacetylase (lacA) gene, which of the following processes would likely occur when the cell is exposed to lactose?

TLS Online TPP Program

#Question id: 16102

#SCPH28 | Zoology

When the temperature of environment is above 34 degrees, the only heat loss mechanism is

TLS Online TPP Program

#Question id: 15538

#SCPH05 I Biotechnology

Which of the following statement is incorrect regarding advantage of multiple sequence alignment?

TLS Online TPP Program

#Question id: 352

#I Life Science/ Life Sciences Group – I-V

One mole (mol) of glucose (molecular mass = 180 daltons) is ________.