送交者: 哈哈哈 于 2007-08-15, 10:53:54:

• 壮汉生女孩，泼妇生男孩。你和老婆朝那个方向努力就行了。 (无内容) - coubert (0 bytes) 2007-08-15, 12:12:10 (162901)
  • 壮汉和泼妇夫妇的孩子呢？ (无内容) - pingshcn (0 bytes) 2007-08-15, 14:24:07 (162964)
• 我们这的白大姐说要多吃Tomato Sauce生男孩 (无内容) - dancewithwolf (0 bytes) 2007-08-15, 11:08:44 (162883)
  • 是真的， 不过娃都是红头发。 (无内容) - Latino2 (0 bytes) 2007-08-15, 11:14:36 (162886)
• X chromosome is much heavier than Y chromosome (无内容) - Wood (0 bytes) 2007-08-15, 10:58:38 (162880)
  • how much heavier? 2x or 3x..heavier than Y ? (无内容) - blackbox (0 bytes) 2007-08-15, 11:24:39 (162892)
    • to more accurately estimate the difference - Wood (117 bytes) 2007-08-15, 13:31:25 (162933)
    • X has 153 million bp, Y has 58 million bp (from wiki) (无内容) - Wood (0 bytes) 2007-08-15, 13:21:04 (162930)
• 高速离心把含有XX和XY染色体的精子细胞分开，然后人工受精 - Wood (20 bytes) 2007-08-15, 10:57:52 (162877)
  • 这样生的娃适合溜冰，笆蕾等高速旋转运动 :-) (无内容) - Latino2 (0 bytes) 2007-08-15, 11:09:54 (162884)
  • 应该是把含有X和Y的分开 (无内容) - Wood (0 bytes) 2007-08-15, 10:59:41 (162881)
    • change xys.come to xsy.com (无内容) - 插一腿 (0 bytes) 2007-08-15, 12:27:42 (162907)

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