For a recessive allele to produce a recessive phenotype, the individual must have two copies, one from each parent. An individual with one dominant and one recessive allele for a gene will have the dominant phenotype.
So I relit the pilot light, then sat there while it heated the water. When the burner turned off, so did the pilot light. At that point, I could hold down the button and relight the pilot light, but when I released the button, the pilot... show more The flexible gas line to the water heater was replaced today. Did not help. So I relit the pilot light, then sat there while it heated the water. When the burner turned off, so did the pilot light. At that point, I could hold down the button and relight the pilot light, but when I released the button, the pilot...
Locate the gas regulator valve on the water heater. It is located on the outside of the water heater where the gas pipe enters the unit and has have a knob on it. The valve regulates gas flow to the pilot burner beneath the hot water tank. Turn the valve knob to the âOffâ position.Wait five minutes. Locate the pilot burner beneath the gas water heater. Lift off or unsnap any access cover that blocks access to the burner. Illuminate the pilot burner with the flashlight.. Turn the gas regulator valveâs knob to âPilot,â press down on it and hold it down. This starts the flow of gas to the pilot burner. On some water heater models, you press and hold down a separate red button to start the pilot burner gas flow.