Related InterviewSolutions

• Which of the following is incorrect statement about the Kimura model?(a) It is a model to correct evolutionary distances andis a more sophisticated model(b) In this, the mutation rates for transitions and transversion are assumed to be different(c) According to this model, occur more frequently than transversions(d) According to this model, transversions occur more frequently than transitionsThis question was posed to me by my school principal while I was bunking the class.I'm obligated to ask this question of Gene Phylogeny Versus Species Phylogeny in division Molecular Phylogenetics of Bioinformatics
• To use molecular data to reconstruct evolutionary history requires making a number of reasonable assumptions. Which of the following is incorrect about it?(a) The molecular sequences used in phylogenetic construction are homologous(b) The molecular sequences used in phylogenetic construction share a common origin(c) Phylogenetic divergence cannot be bifurcating(d) Parent branch splits into two daughter branches at any given pointI had been asked this question by my college director while I was bunking the class.My question is taken from Phylogenetics Basics topic in portion Molecular Phylogenetics of Bioinformatics
• Which of the following is incorrect regarding the advantages of Molecular data for phylogenetics study?(a) They are more numerous than fossil records(b) They are easier to obtain as compared to fossil records(c) Sampling bias is involved(d) More clear-cut and robust phylogenetic trees can be constructed with the molecular dataThe question was posed to me during an online interview.Enquiry is from Phylogenetics Basics in chapter Molecular Phylogenetics of Bioinformatics
• Which of the following is incorrect statement about Molecular Markers?(a) For studying very closely related organisms, protein sequences are preferred(b) The decision to use nucleotide or protein sequences depends on the purposes of the study(c) For constructing molecular phylogenetic trees, one can use either nucleotide or protein sequence data(d) The decision to use nucleotide or protein sequences depends on the properties of the sequencesThe question was asked at a job interview.This is a very interesting question from Forms of Tree Representation in portion Molecular Phylogenetics of Bioinformatics
• Which of the following is incorrect statement about Choosing Substitution Models?(a) There is one substitution at a particular position, in divergent sequences(b) The evolutionary divergence is beyond the ability of the statistical models to correct(c) The statistical models used to correct homoplasy are called substitution models or evolutionary models(d) For constructing DNA phylogenies, there are nucleotide substitution models availableThe question was posed to me in an interview for internship.I need to ask this question from Gene Phylogeny Versus Species Phylogeny topic in portion Molecular Phylogenetics of Bioinformatics
• Building phylogenetic tree involves bifurcation and multifurcation.(a) True(b) FalseI have been asked this question during an interview.The query is from Phylogenetics Basics topic in chapter Molecular Phylogenetics of Bioinformatics
• Phylogenetics is the study of the evolutionary history of living organisms using treelike diagrams to represent pedigrees of these organisms.(a) True(b) FalseThe question was asked in exam.This interesting question is from Phylogenetics Basics topic in division Molecular Phylogenetics of Bioinformatics
• Protein sequences can remain the same while the corresponding DNA sequences have more room for variation.(a) True(b) FalseThis question was addressed to me by my college director while I was bunking the class.My enquiry is from Forms of Tree Representation in division Molecular Phylogenetics of Bioinformatics
• The number of rooted trees (NR) for n taxa is ______(a) NR = (2n− 3)!/2^n+2 (n− 2)!(b) NR = (2n− 3)!/2^n (n− 2)!(c) NR = (2n− 3)!/2^n−2 (n− 5)!(d) NR = (2n− 3)!/2^n−2 (n− 2)!I have been asked this question in an internship interview.Origin of the question is Forms of Tree Representation in division Molecular Phylogenetics of Bioinformatics
• DNA sequences are sometimes more biased than protein sequences because of preferential codon usage in different organisms.(a) True(b) FalseThis question was addressed to me by my college director while I was bunking the class.Question is taken from Forms of Tree Representation in chapter Molecular Phylogenetics of Bioinformatics