Dr. GURU speaks,
Each person has around 40-70,000 genes. Several genes may be involved in the inheritance of a single trait. Compared to animals, our genes have much more interaction with each other and are governed by more sophisticated control-systems.
Recessive genes, giving rise to recessive traits, are not necessarily less frequent in the general population. For example, the gene for Huntington’s Disease is dominant, despite appearing in only 1 in 20,000 people.
Eye-colour comes in different intensities of brown, green and blue. The gene combination responsible for brown eyes is more dominant than for green eyes, which is more dominant than for blue eyes. If both parents have brown eyes, the children will have brown eyes. Otherwise, it is a relative unknown. The grand-parent’s eye-colour can be important in determining the child’s eye-colour. Babies are born with a lighter eye-colour (e.g. blue), which darkens to the natural shade by 3 years of age. This phenomenon is also seen with skin-colour.
Attached ear-lobes is a recessive trait. Drooping ear-lobes is a dominant trait. Most people have ear-lobes which droop down. A child will only have attached ear-lobes if both parents possess this trait.
The gene for the single chin trait is recessive to that giving rise to double-chins. Both parents must have single chins if the children are to inherit the same.
Dimples and Freckles are both dominant traits. Only one of the parents needs to have it for the trait to show in most of the children.
Hair colour and having either naturally curly or straight hair are inherited physical traits which involve the interaction of several genes. The darker and curly hair traits have around 75% dominance. People naturally have hair-types in every variation from very straight and red to black and knotted. The naturally straight haired person may be the minority in the World, but the majority in their nation.
A straight hair-line is a recessive trait. A “widow’s-peak” is a dominant trait. Both parents must have straight hair-lines for the children to have the same.
An early receding hair-line is an inherited trait. It also occurs in women, although thinning and sparse hair are more dominant and common features.
Your environment and lifestyle have important affects on your physical appearance. They can determine which genes and traits manifest and which ones lay dormant. Your upbringing will also influence your genetic predispositions.
Your mind, character and personality will determine how people perceive you.
The GURU must now sleep.
