Apply crushed ice to canker sores to help numb the pain. Ask your pharmacist for an over-the-counter pain reliever for canker sores or a waterproof gel that keeps irritants away from sores as they heal. Avoid spicy or acidic foods that can further irritate sores.Try to identify those trigger foods that seem to initial canker sores and eliminate them from your diet. Try to stop gnawing at the inside of your cheek, if this is becoming a habit.void spicy or acidic foods that can further irritate sores. Try to identify those trigger foods that seem to initial canker sores and eliminate them from your diet. Try to stop gnawing at the inside of your cheek, if this is becoming a habit.
Dominant and recessive traits in humans. 1  1. ï¨ There are over 200 traits that are transmitted from generation to generation in humans. These interesting aspects of human genetics are known as hereditary traits. 2  2. There are two or more variations in most ofthe genes called alleles.
A recessive trait is a trait caused by a recessive gene, which means that someone must inherit two copies of the gene for the trait to manifest. By contrast, a dominant trait only requires one copy of the gene.The concept of dominant and recessive traits in genetics was put forward by Gregor Mendel, a 19th century scientist who is often regarded as the father of genetics, thanks to his extensive work in the field.regor Mendel, the father of genetics, first proposed the concept of dominant and recessive traits. The gene responsible for blue eyes is recessive. Blonde hair color is recessive, but it can be passed on in the absence of a dominant trait. Red hair is a recessive trait.