Consider the following terminologies used in... | Bioinformatics

ICAR JRF Bioinformatics 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Consider the following terminologies used in phylogenetic analysis

(A) . The lines in a tree are called branches or edges.

(B) . Internal branch is located between two nodes.

(C) . Root is the common ancestor of all taxa

Choose the correct answer from the options given below:

Only (A) and (B) are true. Only (A) and (C) are true. Only (B) and (C) are true. All (A), (B) and (C) are true. Correct

Phylogenetic Tree Terminology:
Branches or Edges: The connecting lines in a phylogenetic tree representing evolutionary lineages over time. (True)
Internal Branch: A branch connecting two internal nodes (representing an ancestral lineage prior to subsequent divergence events). (True)
Root: The basal node representing the unique common ancestor of all operational taxonomic units (taxa) present in the tree. (True)
Conclusion: All (A), (B) and (C) are true (Option 4).

Correct option: (4) All (A), (B) and (C) are true.

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