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)?
(a) 1/2
(b) no
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What will be an ideal response?
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Giardia intestinalis
A. Belongs to the phylum Apicomplexa; intracellular; located in the small intestine; sexual and asexual reproduction; direct life cycle B. Belongs to the phylum Apicomplexa; intracellular; located in the blood; sexual and asexual reproduction; indirect life cycle C. Belongs to the phylum Retortamonada; extracellular; located in the small intestine; asexual reproduction; direct life cycle D. Belongs to the phylum Retortamonada; intracellular; located in different body tissues; asexual reproduction; indirect life cycle