The frequency of spina bifida (58) in the US is 0.002. John has married Mary. There is no family history of S8 in either families. The first child of this couple is normal What ie the probabity that...

The frequency of spina bifida (SB) in the US is 0.002. John has married Mary. There is no family history of SB in ether families. The first child of this couple is normal what is probability that their second child would have SB

Extracted text: The frequency of spina bifida (58) in the US is 0.002. John has married Mary. There is no family history of S8 in either families. The first child of this couple is normal What ie the probabity that their second child would have S87 O Zero 0.001 O 0.002 O 0.0003 O 0.05 O 001 O 0.02