Handedness is most often defined as the hand you use for writing.
Attached Earlobes (recessive trait)įree earlobes are those that hang below the point of attachment to the head.Īttached ear lobes are attached directly to the side of the head.
Curved thumb (recessive trait)įree ear lobes (dominant trait) vs. Narrow Nose - nostril span restricted to the space between the eyes If a person has only one dimple, they should be counted as having dimples.īroad Nose - nostrils extend beyond the space between the eyes No dimples (recessive trait) Dimples are natural dents in the face to the right or left of the mouth.
#HUMAN DOMINANT TRAITS PATCH#
No white forelock (recessive trait)Ī white forelock is a patch of white hair, usually located at the hairline.ĭimples (dominant trait) vs. Total absence of pigment produces white (grey) hair. Phaeomelanin, gives the hair yellowish-blond tones and ginger and red colors. Eumelanin, is the most common type, it gives the hair shades from brown to black. There are 2 types of melanin found in the hair. Their assistance with this project has be greatly appreciated.Ī pigment called melanin is responsible for hair color. Many Thanks to Devin L, Trevor I, Eric H and the other "OLP" students who found the time to isolate and make digital images of the various forms of each of the traits shown below. Blood type is an inheritaed trait that will not change, whereas the tendancy to be tall or short can be modified by what you eat, how fast you grow, illnesses and other factors. Some of the traits that humans acquire through inheritance can be modified by the influence of the environment, while others cannot. In humans, traits include such things as the color of a person's hair, skin, and eyes, the blood group, the shape of nose and lips, and the tendancy to be short-sighted or to become bald. The characteristics that an organism inherits from its parents are called traits. The information on this page fits well with BIODIVERSITY in Grade 9Īre some human traits (dominant? or recessive?) more prevalent in your community than in other communities? The information helps students to identify traits common to a particular community.