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What information does Cytotaxonomy use for classification?

Answer and explanation

Correct answer: Cell structure and chromosome number

Direct answer: B is correct. Cytotaxonomy means using cellular characteristics in taxonomy. It examines information such as chromosome number, chromosome structure, chromosome behaviour during cell division and other important cell features to compare organisms and determine relationships. These characters can reveal similarities that are not obvious from external appearance alone. A describes chemotaxonomy, which uses chemical constituents. C is too narrow and describes only a superficial morphological feature; cytotaxonomy is not limited to external shape. D refers to habitat, which may provide ecological information but is not the defining basis of cytotaxonomy. A useful memory cue is the prefix “cyto-”: it refers to the cell. Thus, cyto + taxonomy means classification using cellular evidence, especially chromosome information.

Related tags

CytotaxonomyChromosomesCell StructureTaxonomyBiodiversityAnd Classification SystemsBiodiversity And Classification SystemsThe Living WorldBiology

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