Author Topic: Less Attractive Males Have Better Sperm  (Read 1691 times)

pioneer

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Less Attractive Males Have Better Sperm
« on: June 02, 2010, 09:21:31 PM »


In a study of tropical guppies, scientists have found that the less attractive males have "better sperm".

The research revealed that colourful flamboyant-looking males "invest" in their appearance at the expense of their sperm quality.

This suggests, the scientists say, that there is a trade-off between different characteristics that help the male to reproduce.

The findings are described in the Royal Society journal Proceedings B.

Professor Jonathan Evans from the Centre for Evolutionary Biology at the University of Western Australia carried out the study.

He described how his findings supported "sperm competition theory", whereby females mate with several males and the quality and swimming speed of the sperm determine which male fathers the offspring.

Guppies are a particularly useful species in which to study this, because the males engage in two types of reproductive behaviour - courtship displays and non-consensual or "sneak" mating. - BBC

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cujo

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Re: Less Attractive Males Have Better Sperm
« Reply #1 on: June 02, 2010, 09:58:44 PM »
And they say when a woman is less pretty during pregnacy it is going to be a boy.If she is glowing and pretty during her pregnacy it is going to be a girl.I wonder if it is true...

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ms da binsi

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Re: Less Attractive Males Have Better Sperm
« Reply #2 on: June 03, 2010, 01:25:27 AM »
ug sa tawo pa! hahahahhah! di nalang ko magpa liwat oi!!! maliwatan pa lang ko ug NEANDERTHAL nga baki!

KOKAK!!!!!

;D ;D ;D

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statesville

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Re: Less Attractive Males Have Better Sperm
« Reply #3 on: June 03, 2010, 01:41:47 AM »
ug sa tawo pa! hahahahhah! di nalang ko magpa liwat oi!!! maliwatan pa lang ko ug NEANDERTHAL nga baki!

KOKAK!!!!!

;D ;D ;D



Hi! MDB, naluya gyud ko ug katawa sa imong response..hahahaha
     seguro ra ba gyud diay nga moturok, na mosanay unsaon na lang
  

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ms da binsi

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Re: Less Attractive Males Have Better Sperm
« Reply #4 on: June 03, 2010, 01:43:19 AM »


Hi! MDB, naluya gyud ko ug katawa sa imong response..hahahaha
     seguro ra ba gyud diay nga moturok, na mosanay unsaon na lang
 


Kay mao raba jud na States! mosanay raba jud! hahahhaha!

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hubag bohol

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Re: Less Attractive Males Have Better Sperm
« Reply #5 on: June 05, 2010, 10:32:04 PM »
ug sa tawo pa! hahahahhah! di nalang ko magpa liwat oi!!! maliwatan pa lang ko ug NEANDERTHAL nga baki!

KOKAK!!!!!

;D ;D ;D

Bwahaha! That's a new one on me! ;D

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bugsay

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Re: Less Attractive Males Have Better Sperm
« Reply #6 on: June 05, 2010, 10:49:29 PM »
buot pasabot ani nga weak imong sperm, bai Hubs?

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hubag bohol

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Re: Less Attractive Males Have Better Sperm
« Reply #7 on: June 05, 2010, 10:57:51 PM »
buot pasabot ani nga weak imong sperm, bai Hubs?

Bwahaha! Sa akong pangagpas based on the above article morag weak jud, he he, pero kusog gihapon hinuon mopilit sa bungbong! ;D

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bugsay

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Re: Less Attractive Males Have Better Sperm
« Reply #8 on: June 05, 2010, 11:02:34 PM »
Bwahaha! Sa akong pangagpas based on the above article morag weak jud, he he, pero kusog gihapon hinuon mopilit sa bungbong! ;D

busy diay. left and right?

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hubag bohol

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Re: Less Attractive Males Have Better Sperm
« Reply #9 on: June 05, 2010, 11:05:30 PM »
busy diay. left and right?

Sakit man gud sa mata kon sigi lang diri sa TB, kinahanglan og recess, bwahaha! ;D

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bugsay

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Re: Less Attractive Males Have Better Sperm
« Reply #10 on: June 05, 2010, 11:09:32 PM »
buntag pa man sab tawon kong nag atang-atang uy....wa guy laing mahimo....facebook, chat, tb....
karon mao gihapon pero naay bugnaw nga beer gi totoy...hehehehe


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Re: Less Attractive Males Have Better Sperm
« Reply #11 on: June 06, 2010, 06:56:44 AM »
buntag pa man sab tawon kong nag atang-atang uy....wa guy laing mahimo....facebook, chat, tb....
karon mao gihapon pero naay bugnaw nga beer gi totoy...hehehehe


He he, maka-weaken ra ba kunog samot sa sperm ang beer, Bay Bugs... ;D

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