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Dictionary » G » Genus

Genus

Definition

noun, plural: genera

(general) A class or group with common attributes.

(biology) A taxonomic category ranking used in biological classification that is below a family and above a species level, and includes group(s) of species that are structurally similar or phylogenetically related.


Supplement

In binomial nomenclature, the genus is used as the first word of a scientific name. The genus name is always capitalized and italicized. In order for a genus to be descriptively useful, it must have monophyly, reasonable compactness, and distinctness.


Word origin: from Latin genus "descent, family, type, gender").

Related forms: generic (adjective).

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Taxonomy differences

I've started a study of Genus Equus . I'm finding differences between these three sources: Wikipedia Integrated Taxonomic Information System (ITIS) Mammal Species of the World (MSW) For example, Wikipedia has Subgenera; the others do ...

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by gs99
Mon Oct 03, 2011 2:03 am
 
Forum: Zoology Discussion
Topic: Taxonomy differences
Replies: 1
Views: 77

Taxonomy

Amoeba Proteus: is a tiny 1 cell organism w/pseudopod that is in the Protista Kingdom; it identifies the correct format for writing the genus & species of a given organism.

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by mommy4lifeelliott
Sat Oct 01, 2011 5:22 pm
 
Forum: General Discussion
Topic: Taxonomy
Replies: 12
Views: 3693

clostridium used to create butanol

I was wondering if anyone knew if Clostridium Tetani or any other bacteria from the Clostridia genus could be used for ABE fermentation. I know that C. acetobutylicum has been used but i was wondering if anything else could be used. And if they can be used if they would ...

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by tnpalme
Thu Sep 15, 2011 6:06 pm
 
Forum: Microbiology
Topic: clostridium used to create butanol
Replies: 1
Views: 155

Coercive sexual behaviour evolutionary arms race

... through wiki and saw an interesting page on animal sexual behaviour and I came across this 'In 2007, research suggested that in the Acilius genus of water beetles (also known as "diving beetles"), an "evolutionary arms race" between the genders means that there is no ...

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by Abab
Mon Aug 01, 2011 4:46 pm
 
Forum: Evolution
Topic: Coercive sexual behaviour evolutionary arms race
Replies: 4
Views: 421

Gram Positive Rods - Catalase Positive

... specimen, Bacillus, Lactobacillus, and Corynebacterium all have distinctive, characteristic morphologies and arrangements so that in fact the genus designation is usually apparent from the Gram stain alone, although catalase testing of colonies is also very helpful (the anaerobic clostridia ...

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by Punker
Mon Aug 01, 2011 11:46 am
 
Forum: Microbiology
Topic: Gram Positive Rods - Catalase Positive
Replies: 5
Views: 3349
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