TLS Online TPP Program

#Question id: 13061


Precision will be reduced, but yield will be increased
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.
Arrange in the order of their increasing capacity:

#Part-A Aptitude & General Biotechnology
  1. Plasmid, BAC, Replacement vectors, Insertion vectors.
  2. Replacement, BAC, Insertion, Plasmid
  3. BAC, Insertion, Replacement, Plasmid
  4. Plasmid, Insertion, Replacement, BAC
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TLS Online TPP Program

#Question id: 5707

#Part-B Specialized Branches in Biotechnology

Which of the following statement is correct for human is heterozygous for inversion?

TLS Online TPP Program

#Question id: 5708

#Part-B Specialized Branches in Biotechnology

If non-disjunction occurs in meiosis I, which of the following scenario is most likely to occur?

TLS Online TPP Program

#Question id: 5708

#Part-A Aptitude & General Biotechnology

If non-disjunction occurs in meiosis I, which of the following scenario is most likely to occur?

TLS Online TPP Program

#Question id: 5713

#Part-B Specialized Branches in Biotechnology

Following some statement are correct?

A) Translocation may be associated with movement of genetic material within the same chromosome

B) A person that is heterozygous for translocation may result in non viability in their zygote

C)  A person that is heterozygous for inversion may result in non viability in their recombinant zygote

D) A person that is heterozygous for translocation and lack of crossing over within translocated area result in all viable gametes

TLS Online TPP Program

#Question id: 5715

#Part-B Specialized Branches in Biotechnology

Following some abnormality is due to Gene rearrangement on chromosome. 

A, Affecting the expression of gene

B. Disrupt the function of gene

C. Reduced recombination between gene present in inverted region

D. Cross over suppressor 

Which of the following above abnormality is may be associated with inversion?

TLS Online TPP Program

#Question id: 5716

#Part-B Specialized Branches in Biotechnology

Which of the meiotic pairing possibilities in tetraploids and their consequence is correct?

A-chromosomes pair as bivalents, segregate normally producing diploid gametes.

B- Chromosomes pair as quadrivalent, segregates normally producing tetraploid gametes.

C-Chromosome pair as Trivalents form, segregation leads to nonfunctional aneuploid gametes

 D- Chromosome pair as Trivalents form, segregation leads to producing diploid gametes