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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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jackryan123 jackryan123
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6 years ago
Devastated parents ask the nurse why their child has cerebral palsy when they are completely healthy. The nurse replies that the appearance of an inherited trait is the result of:
 
  a. Two dominant genes for the trait
  b. One dominant gene and one recessive gene for the trait
  c. Two recessive genes for the trait
  d. Heterozygous genes for the trait
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#1
6 years ago
C
An inherited disorder caused by a recessive trait is caused by two recessive genes. A dominant gene would suppress the recessive gene. Two dominant genes cannot cause a recessive disorder. Heterozygous genes would not carry the trait.
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