In a cladogram, the derived trait appears at a node.
Further Explanation:
Cladistics is a process of categorized the organisms that depend upon their shared traits. This method is very vital for alliances with the compactly related species, tracing the ancestors, and studying the evolution of various traits. In cladistics, these independently evolved characters would be grouped, and the resulting cladogram will show false relatedness among the species.
Cladistics involves organizing data based on ancestral and derived characters. It is a method of generating a phylogenetic tree (cladogram) by grouping organisms with shared derived characters together. For the construction of a cladogram, the principle of parsimony (phylogeny with least evolutionary changes) is considered. There can be several other reasons for phenotypic similarities, such as homoplasy and convergent evolution, which needs to be ruled out for constructing an accurate cladogram. A node of the cladogram, derived traits are present. By understanding the compactly related groups referred to as an out-group, the derived traits can be determined.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Evolution
Keywords:
Cladistics, related species, evolved, character, group, node, derived, phenotypic, determined, parsimony, phylogeny, relatedness, species.
