Prep for USMLEPrep for USMLE
         Forum      |     Resources New Posts   |   Register   |   Login





 Galactosemia  




Post Reply  
  • 0/5
  • 1
  • 2
  • 3
  • 4
  • 5


Author4 Posts
  #1

Galactosemia, an inability to metabolize galactose, results from a deficiency of the enzyme galactose-1-phosphate uridyltransferase. The table below summarizes the genotypes and phenotypes at this locus. Which of the following alleles show less than normal activity of the enzyme?

Genotype Enzyme Activity Phenotype G/G 100 Normal G/D 75 Normal G/LA 120 Normal G/g 50 Normal D/D 50 Normal D/LA 95 Normal LA/LA 140 Normal LA/g 70 Normal g/g <5 Galactosemia


A. D and G

B. D and g

C. D and LA

D. D only

E. G and g

F. G and LA

G. G only

H. g and LA

I. g only



  #2

B. D and g?


  #3

I agree - B. D and gnod


  #4

R u saying this because the question is less than normal activity?
means only g would have no activity?can some one explain





Bookmark and Share





Login or Register to post messages








show Similar forum topics

Galactosemia
Galactosemia
Galactosemia and E.coli sepsis?
show Related resources









Advertise | Support | Privacy | TOS | Premium | Contact