TLS Online TPP Program

#Question id: 3250


Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1, A1A2 and A2A2 genotype is 0.01, 0.18 and 0.81) Which of the following statement is correct?

#Unit 11. Evolution and Behavior
  1. Frequency of A1 is greater than A2

  2. Frequency of A2 is greater than A1

  3. Frequency of A1 is equal to A2

  4. Frequency of A2 is double of A1frequency

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TLS Online TPP Program

#Question id: 23768

#Unit 7. System Physiology – Animal

Which of the following cells function as photoreceptors?

TLS Online TPP Program

#Question id: 13064

#Unit 13. Methods in Biology

Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.
Which of the following techniques doesn’t involve use of a secondary antibody?

TLS Online TPP Program

#Question id: 3316

#Unit 11. Evolution and Behavior

There are two population A (N = 500) and B (N=50). Due to genetic drift, both populations will lose its genetic diversity in a generation. Such losses become magnified over many generations. After 20 generations, what will be lose its original variation?

TLS Online TPP Program

#Question id: 1897

#Unit 4. Cell Communication and Cell Signaling

The single best description of type III hypersensitivity is that it involves:

TLS Online TPP Program

#Question id: 32236

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the structure shown