red hair is very rare in humans
Yeah, isn't is only a small percent of the population?
it occurs frequently more in northern europeans
I wish it was more common in America.
Red hair
Red hair (or ginger hair) occurs naturally in one to two percent of the human population, appearing with greater frequency (two to six percent) among people of Northern or Northwestern European ancestry and lesser frequency in other populations. It is most common in individuals homozygous for a recessive allele on chromosome 16 that produces an altered version of the MC1R protein.
Red hair varies in hue from a deep burgundy or bright copper (auburn) to burnt orange or red-orange to and strawberry blond. Characterized
also be used. Hospitalization is required in one to five percent of cases.
Croup is a relatively common condition that affects about 15% of children at some point. It most commonly occurs between 6 months and 5 years of age but may rarely be seen in children as old as fifteen. It is slightly more common in males than females. It occurs most often in autumn. Before vaccination, croup was frequently caused by diphtheria and was often fatal. This cause is now very rare in the Western world due to