女人到底哪年生孩子,跟基因也有很大关系

2015-06-05 蝌蚪君 蝌蚪五线谱

拖着不想生孩子一直被归结为社会原因,现在科学家们终于发现,基因其实也是“幕后黑手”之一。女人到底哪年生孩子,跟基因也有很大关系牛津大学的研究者们发现,尽管基因明显倾向于让女人早点生孩子,但她们开始家庭生活的时间还是越来越晚。研究小组研究了将近7000个女人的DNA,目的在于发现基因在女人成家和生孩子的时间上占了多大比例。科学家们在基因序列中寻找在不同年龄段让女人成为母亲的相似基因。他们发现,DNA

拖着不想生孩子一直被归结为社会原因,现在科学家们终于发现,基因其实也是“幕后黑手”之一。


女人到底哪年生孩子,跟基因也有很大关系

牛津大学的研究者们发现,尽管基因明显倾向于让女人早点生孩子,但她们开始家庭生活的时间还是越来越晚。

研究小组研究了将近7000个女人的DNA,目的在于发现基因在女人成家和生孩子的时间上占了多大比例。

科学家们在基因序列中寻找在不同年龄段让女人成为母亲的相似基因。他们发现,DNA能够解释15%首次当妈的年龄有所不同的情况以及10%养育孩子数量不同的情况。

牛津大学的Melinda Mill说,直到现在,社会学家们还把女人不愿意生孩子的原因聚焦在非生理层面,比如避孕技术的发展、持续接受教育、在劳动力市场的角色越来越重要等等。

“我们在这次的研究中看到了一个明显的基因组成与女人生第一个孩子的年龄以及生孩子的数量相关。”她说。

研究并没有指出与生孩子早晚有联系的特定基因,但Mills说接下来马上就要发表的一个研究会指出这些基因的数量。“这不是一个基因的事,一组基因变异会让你更倾向于早生或晚生孩子。”

于生孩子的数量方面,如果基因倾向于让你早点生孩子,那么随着时间的推移,孩子的数量也会更多。

最终,研究也许能通过提供女人繁殖能力和生物指标信息的方式帮助人们更好地选择生孩子到底“能拖到多晚”。

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  2. [GetPortalCommentsPageByObjectIdResponse(id=2019586, encodeId=659e2019586e9, content=<a href='/topic/show?id=cc326902699' target=_blank style='color:#2F92EE;'>#生孩子#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=69026, encryptionId=cc326902699, topicName=生孩子)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=89da2500024, createdName=1194695146_61857347, createdTime=Sun Mar 13 23:37:00 CST 2016, time=2016-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=27839, encodeId=dbbb2e83968, content=有点意思!, beContent=null, objectType=article, channel=null, level=null, likeNumber=167, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2d031628224, createdName=huangsong808, createdTime=Tue Jun 16 21:39:00 CST 2015, time=2015-06-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26749, encodeId=192926e49b6, content=看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=119, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ee0d1618732, createdName=huaxipanxing, createdTime=Tue Jun 09 19:56:00 CST 2015, time=2015-06-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26388, encodeId=2f5d26388fc, content=什么?, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12a31627589, createdName=18619c0a62m, createdTime=Mon Jun 08 16:52:00 CST 2015, time=2015-06-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26274, encodeId=5940262e443, content=翻译的不行, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200609/ef6a57dbe7f1489dad7446b7c5217858/d5e4fe65996c4446a029b0f5d056abb1.jpg, createdBy=6b011518214, createdName=午夜星河, createdTime=Mon Jun 08 12:02:00 CST 2015, time=2015-06-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26132, encodeId=7ffc2613246, content=文不对题, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a7911626942, createdName=s312486, createdTime=Fri Jun 05 20:58:00 CST 2015, time=2015-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26040, encodeId=7a04260404c, content=看不懂, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=25b61624599, createdName=xykzfl, createdTime=Fri Jun 05 10:20:00 CST 2015, time=2015-06-05, status=1, ipAttribution=)]
    2015-06-16 huangsong808

    有点意思!

    0

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    2015-06-09 huaxipanxing

    看看

    0

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    2015-06-08 18619c0a62m

    什么?

    0

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    2015-06-08 午夜星河

    翻译的不行

    0

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    2015-06-05 s312486

    文不对题

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=2019586, encodeId=659e2019586e9, content=<a href='/topic/show?id=cc326902699' target=_blank style='color:#2F92EE;'>#生孩子#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=69026, encryptionId=cc326902699, topicName=生孩子)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=89da2500024, createdName=1194695146_61857347, createdTime=Sun Mar 13 23:37:00 CST 2016, time=2016-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=27839, encodeId=dbbb2e83968, content=有点意思!, beContent=null, objectType=article, channel=null, level=null, likeNumber=167, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2d031628224, createdName=huangsong808, createdTime=Tue Jun 16 21:39:00 CST 2015, time=2015-06-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26749, encodeId=192926e49b6, content=看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=119, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ee0d1618732, createdName=huaxipanxing, createdTime=Tue Jun 09 19:56:00 CST 2015, time=2015-06-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26388, encodeId=2f5d26388fc, content=什么?, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12a31627589, createdName=18619c0a62m, createdTime=Mon Jun 08 16:52:00 CST 2015, time=2015-06-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26274, encodeId=5940262e443, content=翻译的不行, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200609/ef6a57dbe7f1489dad7446b7c5217858/d5e4fe65996c4446a029b0f5d056abb1.jpg, createdBy=6b011518214, createdName=午夜星河, createdTime=Mon Jun 08 12:02:00 CST 2015, time=2015-06-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26132, encodeId=7ffc2613246, content=文不对题, beContent=null, objectType=article, channel=null, level=null, likeNumber=129, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a7911626942, createdName=s312486, createdTime=Fri Jun 05 20:58:00 CST 2015, time=2015-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26040, encodeId=7a04260404c, content=看不懂, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=25b61624599, createdName=xykzfl, createdTime=Fri Jun 05 10:20:00 CST 2015, time=2015-06-05, status=1, ipAttribution=)]
    2015-06-05 xykzfl

    看不懂

    0

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