Aditya was observing some organisms in lab and tried to compare them. The presence of which organs will confirm to him that they share evolutionary history?
(a) Analogous organs (b) Paralogous organs (c) Homologous organs (d) None of these
Soham ghosh
EXCELLENCE IS THE KEY TO SUCCESS
Friday, 27 November 2020 09:26 AM
The presence of paralogous organs confirms that they share an evolutionary history. It is because paralogous genes evolved by divergence within a particular species.
They are one class of homologous genes and occurs when there's an event of gene duplication that results in two copies. The new gene can have a different function but its always related to the function of the ancestral one.
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