Neurofibromatosis type 1 is characterized by changes in skin…

Neurofibromatosis type 1 is characterized by changes in skin pigmentation and the growth of tumors along nerves. It has an autosomal dominant inheritance pattern. In about half of cases, the affected individual also has an affected parent. The remaining cases occur in individuals with no family history of the disorder. A phenotypically normal couple have a child with neurofibromatosis. How could an affected child come from unaffected parents? 

Indicate if the question is TRUE or FALSE by typing TRUE or…

Indicate if the question is TRUE or FALSE by typing TRUE or FALSE.  If FALSE make the statement true by changing the underlined word/words.   No partial credit given. An organelle free region of the cytoplasm, the clear zone, surrounds the ruffled border of osteoblasts.