Articles > Quizzes & Surveys > Genetic Control – On and Off Genes – Quiz Genetic Control – On and Off Genes – Quiz Posted on Sep 21, 2020 Quiz Multiple choice. Select the best answer. 1. The blueprint of our bodies that determine the way we are and how we work Chemical factors Physical factors Genes Hormones 2. Which of these sentences is NOT TRUE about the genetic control of growth and development? An organism could be cloned using the genetic information in the nucleus of one cell. Growth and differentiation are genetically regulated. The genes encoding for enzymes in cell respiration are permanently switched off. Some bacterial genes encoding for enzymes for breaking down the sugar lactose are switched on or off depending on the availability of lactose and glucose. 3. Apart from genetic factors, what other factors are involved in growth and development? Environmental factors Growth hormones Cell death All of the above 4. What happens when the skin is exposed to UV light? The genes involved in melanin production are switched on. The genes involved in melanin production are switched off. The gene activity in melanocytes is significantly reduced. UV light has no effect on pigment cells. 5. Which of these is true about insulin? Its level decreases when blood sugar is high. The body produces more insulin when blood sugar is low. When blood glucose is elevated, the transcription of mRNA from the insulin gene is deactivated. It is a protein. Send Your Results (Optional) Your Name To Email Time is Up!