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Q. Phylogenetic species concept ?
Taxonomists (scientists who compare, classify and name organisms) tend to describe a species by studying their physical characteristics and behaviour, and also their genetic and chemical similarities and divergences as a result of evolution. Based on this concept Cracraft proposed the Phylogenetic Species Concept (PSC) in 1983. Here he defines a species as "the smallest diagnostic cluster of individual organisms within which there is parental pattern of ancestry and decent." However, it can be argued that a population, subspecies, stage or a morph can then be elevated to species status. Consequently the number of species recognised becomes highly dependant on the analytical tools used. Even so, the PSC is considered as the most valuable tool for working taxonomists.
In pet rabbits, brown coat colour is recessive to black coat colour. A black female rabbit gives birth to four black-coated and three brown-coated baby rabbits. What can be deduced
Conduits Figure: Venous Conduits Reversed saphenous vein was the first conduit used for CABG. 'It is usually harvested from the leg starting above the ankle going up
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What is the best microscope to get a detailed view of the parts inside of a preserved plant cell?
State the aim of Neuropsychological assessment Neuropsychological assessments aim at specifying in as much detail as possible the functional deficits that exists in a manner th
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