Cells from both the hypothalamus and thyroid gland contain the same calcitonin gene,but the calcitonin proteins made in the two tissues differ.What causes the variation in the protein forms?

Question

Quizplus · Accepted Answer

Pre-mRNA alternate splicing during which different introns are removed can cause the particular protein product in cells to be different.Both the hypothalamus and the thyroid gland produce a protein hormone called calcitonin,but the mRNA that leaves the nucleus is not the same in both types of cells.

Cells from Both the Hypothalamus and Thyroid Gland Contain the Same