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.
(In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes). A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present.(In genetic terms, a recessive trait is one that is phenotypically expressed only in homozygotes).Examples of dominant disorders include: 1  Achondroplasia (a common form of dwarfism with short arms and legs),In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes). A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present.