Multiple Choice Questions

Question 9. A 2-year-old child presents with a squint and white eye reflex due to retinoblastoma. Childhood retinoblastoma occurs in both sporadic and familial forms. What feature occurs more often in the sporadic form?

	a. Bilateral retinoblastoma
	b. Development of osteosarcoma
	c. Family history of retinoblastoma
	d. Germline mutation of the Rb gene
	e. Later age at retinoblastoma onset