What causes the impaired fetal development induced by rubella? ...

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What causes the impaired fetal development induced by rubella?
 
  A) The virus induces key cells to form a 23rd chromosome.
  B) toxins produced by the rubella virus
  C) alteration of chromosome number by the virus
  D) induction of an error of metabolism within key brain cells
  E) deletion of key enzymes within the brain

Question 2

Fetal alcohol syndrome can result
 
  A) from chronic paternal alcoholism.
  B) from as little as a single drinking binge during a critical period of fetal development.
  C) from the combined effects of alcohol and other drugs.
  D) only from chronic maternal alcoholism.
  E) from a single exposure to a beer consumed by the mother.

[tandmlomax84]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B

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TYSM

[Dominic]

Gracias!