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Home Q & A Board Biology-Related Homework Help General Biology
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vicmillz vicmillz
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6 years ago
A genetic abnormality that may result in males with mental retardation and reduced fertility is
  a. XXY.
  b. XYY.
  c. Turner syndrome.
  d. Down syndrome.
  e. XXX.

Question 2

In Down syndrome,
  a. as the age of the mother increases, the chance of the defect occurring in the unborn
  children increases.
  b. the age of the father usually has an equal influence on the defect.
  c. most embryos abort before complete term.
  d. a person with the defect cannot have a normal child.
  e. 80 of trisomic 21 babies are born to women over the age of 40.
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lizzynorrislizzynorris
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6 years ago
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vicmillz Author
wrote...

6 years ago
Thanks for your help!!
zsc999
wrote...

Yesterday
Good timing, thanks!
nsak
wrote...

2 hours ago
This site is awesome
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