A plant of genotype GGHH is crossed with another plant of the genotype gghh. If the F1 is test crossed, what percentage (%) of the test cross progeny will have the genotype gghh when the two genes are - (P) unlinked, (Q) completely linked with no crossing over, (R) 10 m.u. (genetic map unit) apart, (S) 24 m.u. apart?

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#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?

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#Question id: 18702

#Unit 13. Methods in Biology

What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?

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#Question id: 18703

#Unit 13. Methods in Biology

If the weight of 1 mol bp is 660g What will the no. of moles in 4 х 10⁶ bp

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#Question id: 18704

#Unit 13. Methods in Biology

If the weight of 1 mol bp is 660g What will the no. of moles in human genome having 3 x 10⁹ bp

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#Question id: 18705

#Unit 13. Methods in Biology

What will weight in picogram in human genome 

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#Question id: 18706

#Unit 13. Methods in Biology

Sources of thermostable DNA polymerases with proofreading (3′–5′ exonuclease) activity are given match them correctly

DNA polymerase                          Source

a. Tma                                      i. Thermotoga maritima

b. Deep vent tm                      ii. Pyrococcus furiosus

c. Tli                                      iii. Thermococcus litoralis

d. Pfu                                      iv.  Pyrococcus sp

e. Pwo                                      v. Pyrococcus woesi