Given the below functional dependency, medicinecode → (medicinename, shelflife, manufacturer, dosage), which of the following statements is not known to be true?
a. manufacturer is functionally dependent on medicinecode.
b. medicinecode is a determinant.
c. medicinecode is a candidate key of the relation medicine (medicinename, shelflife, manufacturer, dosage).
d. medicinename is a determinant.
e. shelflife is functionally dependent on medicinecode.

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.