Biological differences between sexes 'may be determined after birth'


	Biological differences between sexes 'may be determined after birth'

balthazarus

1-9-2009 8:56 AM

361 views

tags:

biology, society, genes, interaction, gender

balthazarus says:

The way human interact, may influence even at the genetic level. This is a very interesting and maybe even potent idea.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/f9211fe8-b247-43cc-a2d7-29c4e514c90d/C61A7464-368C-4C87-AF14-89245103CFB9/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html" href="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html" style="font-size: 11px;">www.telegraph.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html"><H1>Biological differences between sexes 'may be determined after birth' </H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html"><P>The finding signals that not all sex-specific characteristics develop in the womb during pregnancy, as was previously thought.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html"><P>Mother rats typically spend more time grooming males. Previous studies have suggested this is necessary for their genitalia to develop properly.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html"><P>The researchers, from the University of Wisconsin, stroked baby female rats in a similar way. They found that the number of receptors for oestrogen - the female sex hormone - in the stroked rats' brains was lower than in those not stroked, and were of similar levels to that in male rats' brains. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html">the finding should prompt further research into the effects on babies' brains of human mothers treating sons and daughters differently. "Sex may not be just genes and hormones,"</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html">biological differences between male and female brains may be determined after birth</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html">it may explain why some medical conditions affect men and women differently</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/4205977/Biological-differences-between-sexes-may-be-determined-after-birth.html">For example, depression</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/C61A7464-368C-4C87-AF14-89245103CFB9/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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