The Deficiency of the Enzyme Glucose- 6- Phosphate Dehydrogenase G6PD

question 58

Multiple Choice

The deficiency of the enzyme glucose- 6- phosphate dehydrogenase G6PD is inherited as a recessive gene on the X chromosome in humans.A phenotypically normal woman whose father had G6PD is married to a normal man.What fraction of their sons would be expected to have G6PD?

• A)1/3
• B)zero
• C)1/2
• D)100%
• E)1/4

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