Identify the character based method used for the construction of a phylogenetic tree. 

P. Maximum parsimony 

Q. Neighbor joining 

R. Maximum likelihood 

S. Bootstrapping

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#Question id: 18680

#Part-A Aptitude & General Biotechnology

DNA from Salmonella species, when digested with the restriction enzyme Xba I, gives around 15 fragments ranging from 25 kb to 680 kb This pattern of fragments, or ‘fingerprint’, is unique to that strain. If the same fingerprint is found from bacteria from other infected people, then it can be assumed that they were all infected from a common source. Thus, by comparing their eating habits, food sources, etc. the source of the infection can be traced to a restaurant, food item. The fingerprints are created and analysed by

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#Question id: 349

#Part-B Specialized Branches in Biotechnology

Increased atmospheric CO2 concentrations might have what effect on seawater?

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#Question id: 5750

#Part-A Aptitude & General Biotechnology

 type of microorganism that can exist on minimal medium

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#Question id: 5735

#Part-B Specialized Branches in Biotechnology

Aneuploids may arise through nondisjunction, the failure of homologous chromosomes or sister chromatids to separate in meiosis. Following some statement are correct.

A)  Meiosis I non-disjunction leads to produce all gamete become aneuploidy

B) Meiosis II non-disjunction leads to produce half of gametes n+1 other half normal haploid

C) Meiosis I non-disjunction leads to produce half of gametes n+1 other half n-1

D) Either meiosis I or meiosis II non-disjunction leads to produce all aneuploidy gamete

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#Question id: 22902

#Part-B Specialized Branches in Biotechnology

What is a cell line?