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Asexual

Asexual

without sex. not having or being involved in sex.


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Re: Which has a greater impact of evolution, mutations or genet

... and thus is a more important source on of variability on which natural selection operates, whereas in populations of organisms that reproduce asexually mutations are the only source of variability on which natural selection operates? It's hard to answer your question conclusively because it ...

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by Cat
Fri Oct 31, 2014 2:26 am
 
Forum: Evolution
Topic: Which has a greater impact of evolution, mutations or genet
Replies: 1
Views: 1091

Re: Why must we avert the genome of Eden?

... classification would be impossible. There we would expect to find a chaotic mess of traits, not order and structure. The second problem is that asexual reproduction combined with frequent and effective HGT makes sexual reproduction superfluous. I call this problem the catch 22 of Darwinism. ...

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by wildfunguy
Fri Oct 04, 2013 7:49 pm
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 14685

Why must we avert the genome of Eden?

... classification would be impossible. There we would expect to find a chaotic mess of traits, not order and structure. The second problem is that asexual reproduction combined with frequent and effective HGT makes sexual reproduction superfluous. I call this problem the catch 22 of Darwinism. ...

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by Hunor
Mon Sep 23, 2013 12:08 am
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 14685

Re: siphonophores

... vast majority swim underwater. 1) The initial zooid arises from a fertilised egg, the rest of the colony is formed by budding which is a type of asexual reproduction. I have no idea the mechanisms behind HOW the zooids become specialised but I do know that zooids that are used for propulsion ...

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by fumpledrumpskin
Sun Sep 15, 2013 3:08 pm
 
Forum: Zoology Discussion
Topic: siphonophores
Replies: 2
Views: 3808

Concept of sexuality in plants.

... cell (unless you're a dicot) specialized to accumulate food for the offspring. In many plants, individuals produce both types of gametes. Some are asexual, especially highly-modified crop plants. When plants have separate gendered individuals, there seems to be a variety of ways to "set" ...

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by Darby
Thu Aug 01, 2013 3:08 pm
 
Forum: Botany Discussion
Topic: Concept of sexuality in plants.
Replies: 3
Views: 3655
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