If the frequency of PKU among newborns is approximately 1/10,000 (when the parents are unrelated). What is the risk of a child with PKU if the parents are siblings?

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#Question id: 13038

#SCPH01 Biochemistry

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order

i. incubate with antibody-enzyme complex that binds primary antibody

ii. coat surface with antigen, block unoccupied sites with nonspecific protein

iii. add substrate, formation of colored product indicates presence of specific antigen

iv. incubate with primary antibody against specific antigen

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#Question id: 363

#SCPH06 I Botany

What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4? If 1.0 mL of 10.0 M NaOH is added to a liter of the buffer prepared, how much will the pH change? (pKa = 6.86)

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#Question id: 4573

#SCPH28 | Zoology

Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?

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#Question id: 18638

#I Life Science/ Life Sciences Group – I-V

For unrooted trees, the number of unrooted tree topologies (NU) is ________

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#Question id: 4761

#SCPH01 Biochemistry

which of the following statements about a lethal allele is not correct?