redhead

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redhead

adjective Referring to red (ginger) hair or a person with same.

noun A person with orange-red hair colour, or the hair itself, which is seen in 1–2% of the entire human population, 2–6% in Europeans, and 13% of Scots.

Genetics
Red hair is an autosomal recessive phenotype inherited when both patents have specific codon changes on MC1R, the melanocortin-1 receptor gene—aka, melanocyte-stimulating hormone receptor (MSHR). A ginger child can be born to non-ginger parents. The increase of red hair in northern Europe relative to Africa, where there is natural selection against light-coloured skin, has been attributed to a lack of negative selection, to genetic drift and possibly to sexual selection. Data suggest that gingers differ from non-gingers in sensitivity to pain and anaesthetics, which has been attributed to molecular cross talk between melanin-stimulating hormone (MSH) and pro-opiomelanocortin (POMC) and their respective receptors.
References in periodicals archive ?
In addition to celebrating Red Heads in this fun competition, Big Red will donate ten cents for every vote received, up to $1,000, to Locks of Love.
com)-- Consumers Vote for Their Favorite Celebrity Red Head and Raise Funds for Locks of Love Charity
The full Ultimate Red Head Showdown brackets are now listed at www.
While blondes still have the most fun, and brunettes are the girls men want to marry, it seems we Irish like nothing better than a fiery red head between the sheets.
Julien Macdonald had Lily Cole in caramels which looked absolutely amazing on her and red heads can really carry off those colours which are in this season - it's a great time to be a red head.
The more role models there are for red heads, the better.
Granted she looked great, and her cherubic doll-like face is a breath of fresh air, but more than that - she's a red head.