Dictionary » R » Reversal



1. The act of reversing; the causing to move or face in an opposite direction, or to stand or lie in an inverted position; as, the reversal of a rotating wheel; the reversal of objects by a convex lens.

2. A change or overthrowing; as, the reversal of a judgment, which amounts to an official declaration that it is false; the reversal of an attainder, or of an outlawry, by which the sentence is rendered void.

Origin: From Reverse.

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... sexually reversed hen will try to mate with other hens in the flock. It is however, unknown whether a hen that has undergone a spontaneous sex reversal and developed an ovotestis can sire offspring... http://www.urbanchickenpodcast.com/ucp-episode-018/ I personally saw hen laying ...

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by enarees
Mon Feb 03, 2014 4:57 pm
Forum: Zoology Discussion
Topic: Forced bird's parthenogenesis
Replies: 4
Views: 3696

Re: Year 11 Meiosis helpp!!!

... the following: ⋅ red ⋅ blue ⋅ red with a bit of blue replaced ⋅ blue with a bit of ref replaced (a colour reversal of the previous case) Have a look at the images by BioNinja, at his page Meiosis

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by ChrisHoStuart
Wed Oct 16, 2013 9:36 am
Forum: Human Biology
Topic: Year 11 Meiosis helpp!!!
Replies: 3
Views: 4513

some clues from animal kingdom

"Some species, such as some snails, practice sex change: adults start out male, then become female (See also sex reversal). In tropical clown fish, the dominant individual in a group becomes female while the other ones are male, and bluehead wrasses (Thalassoma bifasciatum) are ...

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by surgeongirl
Wed Sep 11, 2013 6:44 pm
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 27
Views: 36509

Re: Evolution or De-evolution?

... I can't think of any evidence that suggests that survival traits are lost in genes. In the case you mention of plants bred to be resistant, their reversal to an older type in the absence of the threat is a simple reversion to a 'setting' which is quite recent. If we carried antibodies to every ...

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by animartco
Sat Sep 07, 2013 3:15 pm
Forum: Evolution
Topic: Evolution or De-evolution?
Replies: 52
Views: 56840


... become incapable of doing full time physical work. Today people have become incapable of even walking - they need a car to go a short distance. Reversal is not possible - there is not enough land for all people to plough. And if we continue with the present city based lifestyle we will continue ...

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by animartco
Sun Mar 11, 2012 4:11 pm
Forum: Ecology
Topic: Industrial Society Destroys Mind and Environment
Replies: 45
Views: 61548
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