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Home Q & A Board Biology-Related Homework Help General Biology
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diamonddiva007 diamonddiva007
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6 years ago
Tay-Sachs disease is a(n) __________ disease that results in blindness, mental retardation, and death
  due to __________.
  a. sex-linked; the absence of one of the sex chromosomes
  b. autosomal recessive; accumulation of lipids in brain cells
  c. X-linked; accumulation of lipase in cells of sweat glands
  d. autosomal; the inability to break down amylase in the intestines
  e. autosomal dominant; accumulation of mucus in the lung

Question 2

The selective advantage linked to the high frequency of the cystic fibrosis allele in Caucasians is:
  a. an increased resistance to falciparum malaria.
  b. the prevention of excessive water loss associated with certain types of diarrhea.
  c. production of an enzyme to break down cholera toxin.
  d. increased mucous secretions for the removal of infectious cells.
  e. an increased probability of Salmonella infection.
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RochellleeeeRochellleeee
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6 years ago
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6 years ago
God bless you! Helped my grade so much.
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