After checking the blood groups of a husband and wife, a doctor advised them not to have more than one child. Which of the following could be the blood group combination of the couple?

  • A
    Male $Rh^-$ and Female $Rh^+$
  • B
    Female $Rh^-$ and Male $Rh^+$
  • C
    Male $Rh^+$ and Female $Rh^+$
  • D
    Male $Rh^-$ and Female $Rh^-$

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