Widow's peak is a V-shaped dip in someone's hairline. It's a genetic trait present from birth. Can develop naturally as hairline matures or recedes
Common wheat (Triticum aestivum) is the most widely grown wheat species. About 95% of worldwide wheat production is common wheat. It is an allohexaploid with chromosomes from emmer and goatgrass. Closely related to spelt and has greater cold hardiness
Heterochromia is variation in iris coloration determined by melanin production. Can be complete, sectoral, or central. Complete affects one iris, sectoral affects part of iris, central forms ring around pupil
Belgian Blue is a Belgian beef cattle breed with blue-grey mottled hair. Originated in Belgium in 19th century from crossbreeding local breeds with UK Shorthorn. Named for blue-grey mottled hair, actual color varies from white to black
Chilean domestic chicken breed named after Araucanía region. Lays blue-shelled eggs, one of few breeds that do so. May have ear-tufts and be rumpless, both caused by lethal genes. Total of twenty plumage varieties recognized worldwide
Chest hair develops during puberty due to rising androgen levels. Normal development starts between ages 12-18, sometimes 20-30. Men tend to have more terminal hair on chest and abdomen