a lot less than half. Its rumored that natural red heads will go extinct soon.
likely brown hair - in order for a red haired child both parents have to have the red hair gene & of course red hair.
If brown hair is dominant over red hair, then a person who is heterozygous for brown hair will have a brown hair phenotype. Red-haired offspring with two brown-haired parents are fairly common.
Red hair is clearly the rarest hair color. less than 2% of Total World population. Green eyes are clearly the rarest eye color in total population also less than 2%. So Red hair and green eyes would be the most rare combination of naturally, non-pathogenic occurrences. Light Red hair with Dark Brown eyes is unlikely to occur, Black hair with light grey eyes is unlikely to occur, but BLACK HAIR with GREEN EYES has no record of occurrence {except Mao Lin in the movie, Big trouble in little China}But if your interested the most statistically rare combination would be a female with black hair, albino skin, and heterochromia eyes, one grey and one green. This combination has no record of concurrence and could even be thought of as genetically improbable or virtually impossible. Better question is rarest eye color for Red Hair...or what is the most genetically improbable combination for hair and eye color. There are many reactions for colors occurring when chromosomes and chemicals mix'.
Red hair.
Possible colors: blond, brown, red, auburn
4% of the Australian population has red hair and 2.5% of the New Zealand population has red hair
2% of the US population and 4% of the worlds population are red heads
Roughly 10 percent of Irish people have red hair.
yes Answer: Possible experiments: * Microscopic analysis to determine if it looks different from other colours of hair * Cross sectional appearance vs other colours* Tensile strength (how strong is it)* Trace metals examination (what makes it red) * Percentage of red hair in a population * Hereditary of red hair (trace family tree to see if red hair is a recessive or dominant gene)
2%
2% 2%
12%
Scotland
Only 2% of Americans have red hair.
"white skin, blue eyes, blond hair normally but sometimes brown or red hair" Scotland has a much higher than average percentage of people with red hair and also with the red 'gene', compared with any other country in the world. In Scotland, 13% of the population has red hair while an estimated 40% actually have the red gene. This is disproportionately high considering that, as a percentage, red heads make up less than 2% of the world's population. Red hair, is thus a very typical Scottish trait. Historically, Red headed people have only ever been recorded as a group by the Romans, when the Roman historian Tacitus described the Picts as having 'red hair and large limbs.' Modern anthropologists have now placed red hair as a unique characteristic of the Picts - Picts being the original name for the Scots.
nly about 5% of the world have red hair including me
33% is the number. This is because redheads come out of the birth canal bottom first.