(来学网)常染色体隐性遗传性视网膜色素变性患者同胞的患病概率为
  • A.
    (来学网)0.2
  • B.
    (来学网)0.8
  • C.
    (来学网)0.1
  • D.
    (来学网)0.25
  • E.
    (来学网)0.5