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Home Q & A Board Biology-Related Homework Help General Biology
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Eye_opener Eye_opener
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6 years ago
Which of the following is true about Marfan syndrome?
  a. The cause is an autosomal recessive mutation.
  b. The affected gene produces a defective form of the protein actin.
  c. Connective tissues are weakened.
  d. One in 5,000 men are affected.
  e. Those affected are often very short and have mental impairments.

Question 2

Pleiotropic genes ____.
  a. act on secondary sexual characteristics
  b. influence more than one aspect of phenotype
  c. are additive
  d. produce lethal effects when homozygous
  e. can only affect one trait or characteristic at a time
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sdfaffsdfaff
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6 years ago
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Eye_opener Author
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6 years ago
Happy Dummy I'm impressed
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