Bioinformatics Maximum Parsimony Method Online Exam Quiz
Bioinformatics Maximum Parsimony Method GK Quiz. Question and Answers related to Bioinformatics Maximum Parsimony Method. MCQ (Multiple Choice Questions with answers about Bioinformatics Maximum Parsimony Method
Which of the following is untrue regarding the programs for analysis of nucleic acid sequences?
Options
A : DNAPARS treats gaps as a fifth nucleotide state
B : DNAPENNY performs parsimonious phylogenies by branch-and-bound search
C : DNAPENNY can analyze sequences up to 11 or 12
D : Compatibility criterion is not involved in DNACOMP
Which of the following is untrue regarding the Distance analysis programs in PHYLIP?
Options
A : FITCH estimates a phylogenetic tree assuming additivity of branch lengths
B : FITCH uses the Fitch-Margoliash method
C : FITCH assumes a molecular clock but KITSCH does not
D : NEIGHBOR estimates phylogenies using the neighbor-joining or unweighted pair group method with arithmetic mean (UPGMA)
Which of the following is untrue regarding the neighbor-joining method?
Options
A : It is very much like the Fitch-Margoliash method
B : It is totally dissimilar than the Fitch-Margoliash method
C : It is especially suitable when the rate of evolution of the separate lineages under consideration varies
D : When the branch lengths of trees of known topology are allowed to vary in a manner that simulates varying levels of evolutionary change, it is the most reliable method
Parsimony can give ________ information when rates of sequence change _______ in the different branches of a tree that are represented by the sequence data.
Options
A : misleading, vary
B : useful, change
C : misleading, are constant
D : sometimes contradicting, are constant
Which of the following is untrue regarding the distance methods?
Options
A : The sequence pairs that have the largest number of sequence changes between them are termed ‘neighbors’
B : On a tree, these sequences share a node or common ancestor position and are each joined to that node by a branch
C : It produces a phylogenetic tree of the group
D : It employs the number of changes between each pair in a group of sequences
Which of the following is untrue regarding the maximum parsimony method?
Options
A : This method predicts the evolutionary tree
B : It minimizes the number of steps required to generate the observed variation in the sequences
C : The method is also sometimes referred to as the minimum evolution method
D : Only a pairwise sequence alignment is required to predict which sequence positions are likely to correspond
Neighbor-joining chooses the sequences that should be joined to give the best least squares estimates of the branch lengths that most closely reflect the actual distances between the sequences.
Options
A : True
B : False
C :
D :
PROTPARS counts the minimum number of mutations to change a codon for the first amino acid into a codon for the second amino acid, but only scores those mutations in the mutational path that actually change the amino acid.
Options
A : True
B : False
C :
D :
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