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The opposite of homologous organs are analogous organs which do similar jobs in two taxa that were not present in their most recent common ancestor but rather evolved separately. For example, the wings of insects and birds evolved independently in widely separated groups , and converged functionally to support powered flight , so they are ...
The name "homologous series" is also often used for any collection of compounds that have similar structures or include the same functional group, such as the general alkanes (straight and branched), the alkenes (olefins), the carbohydrates, etc. However, if the members cannot be arranged in a linear order by a single parameter, the collection ...
Sequences are either homologous or not. [3] This involves that the term "percent homology" is a misnomer. [4] As with morphological and anatomical structures, sequence similarity might occur because of convergent evolution, or, as with shorter sequences, by chance, meaning
Functionally similar features that have arisen through convergent evolution are analogous, whereas homologous structures or traits have a common origin but can have dissimilar functions. Bird, bat, and pterosaur wings are analogous structures, but their forelimbs are homologous, sharing an ancestral state despite serving different functions.
"The molecular weight of Sulculus myoglobin is 41kD, 2.5 times larger than other myoglobins." Moreover, its amino acid sequence has no homology with other invertebrate myoglobins or with hemoglobins, but is 35% homologous with human indoleamine dioxygenase (IDO), a vertebrate tryptophan-degrading enzyme. It does not share similar function with IDO.
Audrey Hepburn’s son shared his reaction to Ivanka Trump’s recent tribute to the timeless actress. During the president’s inaugural Liberty Ball in Washington on Monday night, Ivanka wore a ...
Homology (psychology), behavioral characteristics that have common origins in either evolution or development Homologous behaviors , behaviors typical of species that share a common ancestor that was characterized by that behavior OR behaviors in an individual that share common origins in development
Naomi Osaka's second-round match at the Australian Open could not possibly have started in a worse way. Osaka strode to the sideline for the changeover, plopped herself down and draped a white ...