送交者: blackbox 于 2007-08-15, 11:24:39:

回答: X chromosome is much heavier than Y chromosome 由 Wood 于 2007-08-15, 10:58:38:

• 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)

加跟贴