The answer to this question would be: alopecia areata
In this question, there is a certain area of the scalp that didn't have any hair. The best term to this condition would be alopecia areata.
There are a few reasons why a spot of baldness can appear. It can be caused by stress that inducing autoimmune disease. Before diagnosing a patient with this you must exclude the possibility of fungal infection as it can destroy the hair and make it look bald.
The light needed for photosynthetic reactions tends to be more reds and purple wave lengths. The Green wavelength is reflected. Filtering out the green light will stunt the light reactions of the plant.
Hereditary is Breast cancer and Inheritance is
Getting Breast Cancer basically it runs in the family inheriting.
A Boundary Is A Line That Marks A Limit Of Space. So If You Live In A Neighborhood, Then There Would Be Fences, And That Would Be A Boundary line. It Marks Space And Divides Space. Hope That Helps.