There is a block of genes in the order abcdefg on a chromosome. a duplication takes place between, but not including, genes b and f. what is the resulting order of genes on that chromosome? '

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.