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Home Q & A Board Biology-Related Homework Help General Biology
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emmybay02 emmybay02
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6 years ago
What percent of plants are polyploids?
 
  a. 20
  b. 35
  c. 50
  d. 70
  e. 90

Question 2

Down syndrome
 
  a. risk of occurring increases with the
  mothers age.
  b. affects boys more than girls.
  c. individuals rarely live past 5 years old.
  d. individuals have normal organ and bone
  development but are mentally impaired.
  e. disorder in related to a monosomy of
  chromosome 21
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grubbingrouchgrubbingrouch
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6 years ago
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emmybay02 Author
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#2
6 years ago
This is very helpful, my teacher this year is not good
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