reproductive Isolation

—Preceding unsigned comment added by 204.15.29.227 (talk) 00:33, 7 December 2009 (UTC)

There is a good page on Hybrid inviability but I honestly don't know enough about genetics to know how to connect that with this article. Maybe add some links or merge? WillB2010 (talk) 05:56, 21 January 2010 (UTC)

This would connect with the post-zygotic reproductive isolating mechanisms(section 5.2 on this page i believe) in which the hybrid (the offspring of two similar, but different, species) is somewhat defective, or otherwise is not efficient by any means in finding a mate. The significance of this is that these two parents will not be able to spread their genes (of arbitrary importance, pne gene that allowed them to first of all find each other in an overlapping niche/habitat, and another gene in which they were both attracted to one another) and their genes will both be selected against by both species. This will create more of both species that will avoid reproduction with the other more than before, or a post-zygotic isolating mechanism. - Aglo123 (talk) 20:34, 18 May 2013 (UTC)

QUESTION

I'm not sn expert but I thought reproductive isolation occurs within a species as well as between different species. Salmon returning to the stream in which they were born ensures that they do not mate with other salmon (same species) born in a different stream. The article should encompass within species RI. — Preceding unsigned comment added by 178.98.13.221 (talk) 01:13, 14 August 2011 (UTC)

Well that would make sense but, if species didn't reproduce amongst themselves, then who would they reproduce with? I know there certainly wouldn't be any salmon left if your situation was true. Now, if you are thinking maybe only a certain group of salmon mate with certain traits in a given population in the same species, well this could be true! But over time, this would lead to speciation, and they would become two separate species due to reproductive isolation. - Aglo123 (talk) 20:48, 18 May 2013 (UTC)

under mechanical isolation, reference to snail chirality would be good. See Ueshima & Asami (2003) Evolution: Single-gene speciation by left–right reversal, Nature. 129.127.101.245 (talk) 03:34, 29 September 2015 (UTC)

" The male will only move onto the second stage of the exhibition if the female shows certain responses in her behavior. He will only pass onto the third stage when she displays a second key behavior."

I think that female choice is much more often option, since it is much more harder for females to bring up one descendant, unlike males that can easily copulate how many females they want and still not lose much fitness for the nutrients for sperm. — Preceding unsigned comment added by Chlebashořčicí (talk • contribs) 08:27, 12 March 2016 (UTC)

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