If two brown-eyed people have a blue-eyed child, we can deduce which of the following? a. the gene for blue eyes is sex-linked. b. the gene for blue eyes is recessive. c. the child's eye color is the result of mutation. d. the gene for brown eyes is recessive

Insulin is a peptide therapeutic used to manage type 1 diabetes, which affects more than 20 million people worldwide according to the international diabetes federation. a significant limitation to the broad distribution and use of insulin to treat type 1 diabetes is the fact that it must be administered by injection rather than orally. why is insulin administered by injection and not orally?