Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 9890
TLS Online TPP Program

#Question id: 13108

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 on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 
 Why is it that some people show three bands?

#Unit 13. Methods in Biology
  1. The more repeats you have, the longer your DNA fragment is, and longer DNA fragments migrate more slowly in gels.
  2. They are heterozygotes at this region.
  3. They are homozygotes at this region.
  4. They are heterozygotes, and possess one allele that can be cut and one allele that cannot be cut.
More Questions
TLS Online TPP Program

#Question id: 5213

#Unit 11. Evolution and Behavior

Which of the following is a major distinction between a transposon and a retrotransposon?
TLS Online TPP Program

#Question id: 28896

#Unit 4. Cell Communication and Cell Signaling

In which condition that β-catenin translocate into the nucleus?
TLS Online TPP Program

#Question id: 6631

#General Aptitude

if + means divided by – means added to × means subtracted from and ÷ means multiplied by then what is the value of   24 ÷ 12 – 18 +9 ?
TLS Online TPP Program

#Question id: 26381

#Unit 3. Fundamental Processes

Removal of primer and synthesis of DNA sequence is equivalent to which phenomenon
TLS Online TPP Program

#Question id: 26372

#Unit 3. Fundamental Processes

Dam (Dam-) mutants accumulates