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TLS Online TPP Program

#Question id: 3326

What are the assumptions of Hardy Weinberg equilibrium?

#Section 3: Genetics, Cellular and Molecular Biology

  1. Small population size, random mating, no selection, no migration, no mutation

  2. Large population size, random mating, no selection, no migration, no mutation

  3. Large population size, random mating, heterozygotes survive the best, no migration, no mutation

  4. Large population size, no random matting, no selection, no migration, no mutation

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TLS Online TPP Program

#Question id: 18784

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is the sine qua non (without which, nothing) of the modern immunologist’s toolbox.
TLS Online TPP Program

#Question id: 15689

#Section 1: Engineering Mathematics

The maximum value of the determinant among all 2 x 2 real symmetric matrices with trace 24 is 
TLS Online TPP Program

#Question id: 3680

#Section 3: Genetics, Cellular and Molecular Biology

If DNA polymerase I were mutated so that all its enzymatic activities were inactive, which part of replication would be most affected?
TLS Online TPP Program

#Question id: 1629

#Section 2: General Biology

Clonal selection occurs when antigen is encountered by:
TLS Online TPP Program

#Question id: 13107

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

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 two bands?