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Phenetic classification of organisms is based on
  • a)
    observable characteristics of existing organisms
  • b)
    the ancestral lineage of existing organisms
  • c)
    dendrogram based on DNA characteristics
  • d)
    sexual characteristics
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Phenetic classification of organisms is based ona)observable characte...
Phenetic classification is a type of numerical taxonomy. In this type of classification the organisms are arranged according to overall similarity of existing organisms based on available characters. It is also called adansonian taxonomy because the same was first attempted by Adanson (1763), of course on the basis of external traits only. Numerical taxonomy evolved around 1950. It has received impetus with the availability of calculating machines and computers. In numerical taxonomy as many characters as possible are employed for evaluating degree of similarity and difference. All characteristics used in analysis are given equal weightage and importance. A proper selection of characters, their organisation and analysis in the light of current knowledge is key to success of this method. A lot of subjectivity can creep in depending upon the judgement of the biosystematist. No weightage is given to the quantity of the character present.
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Phenetic classification of organisms is based ona)observable characteristics of existing organismsb)the ancestral lineage of existing organismsc)dendrogram based on DNA characteristicsd)sexual characteristicsCorrect answer is option 'A'. Can you explain this answer?
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