Congenital

Family hereditary baldness (especially male baldness)

a. .. ... on behalf of bald genetic factor (the male ... dominant genetic factor can cause baldness, female ... recessive, completely inhibited ~ therefore have two genetic factors to produce bald),

b. .. ... on behalf of the hair of normal genetic factor.

aa type of men --- this type of person would be bald, the son of this person likely to go bald if his wife also belongs to aa-type, when, and even his daughter will be bald.

aa-type female --- this type of female hair will become thin, resulting in some bald, the son of this person and all will go bald.

ab type of men --- and have two bald factor with the situation (will be bald), the son of the person suffering from baldness in a ratio of one-half.

ab-type female --- The women themselves will not go bald, but the two have one son in the bald man.

bb type of men --- not bald, if the wife is not aa or bb type, this person will not be bald son.

bb-type female --- not bald, if the President is not bald, the son of a certain female will not be bald.




In other words, the male has a bald as long as the factor that can cause baldness, but women are hidden by bald hollah factor and therefore will not have the appearance of baldness baldness appears, unless at the same time have two bald factor. Even if there are two bald factor, for women generally only become sparse hair, nor will it become a bald or hair while leaving only the edge between the case of bald-ray.