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Bibliobibuli Bibliobibuli
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6 years ago
The identification of parental age as a potential risk factor in autism raises the issue that lifetime exposure to environmental toxins might damage the sperm and the ovum.
 
  Research findings suggest that the risk of autism in relation to age of the parent at the time of the child's birth is increased by:
  A) 30 if the father is older than 40 years
  B) 30 if the mother is older than 35 years
  C) 40 if the father is older than 35 years
  D) 40 if the mother is older than 40 years
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PrincessAwesomePrincessAwesome
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6 years ago
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Bibliobibuli Author
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6 years ago
Thanks for your help!!
jasonbourne
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This site is awesome
Hellish Lover
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2 hours ago
Brilliant ツ
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