sentence: Hair color is passed down by parents only.
sentences_after: Natural hair color can be given only by genes. It is impossible to have a hair color that is not passed down genetically by both mother and father. This relies on dominant and recessive genes carried by a parent. These genes may not be the color of their hair, however, many people carry genes that are recessive and do not show in their traits or features.
concept_name: hair color
headings: Hair Human hair Hair color
categories: Basic English 850 words