Glucose-6-phosphate dehydrogenase (G6PD) deficiency is inherited as an X-linked recessive gene in humans. A woman whose father suffered from G6PD marries a normal man. a) What proportion of their sons is expected to be G6PD? b) If the husband were not normal, but were G6PD deficient, would you change your answer in part (a)?
The Protenor mode of sex determination is the ________.
A) scheme based on F plasmids inserted into the FMR-1 gene B) XX/XO scheme C) XO/YY scheme D) hermaphroditic scheme E) scheme based on single translocations in the X chromosome