There is a rare exception to the reliability of paternity testing that can be understood if you have a basic understanding of DNA mentioned earlier. There are rare people who are considered chimeras This means that some of their cells have one type of DNA and other cells have different DNA.
Mild definition, amiably gentle or temperate in feeling or behavior toward others. See more.
Wiktionary(4.00 / 1 vote)Rate this definition: 1  bitter(Noun) A liquid or powder, made from bitter herbs, used in mixed drinks or as a tonic. 2  bitter(Noun) A type of beer heavily flavored with hops. 3  bitter(Noun) A turn of a cable about the bitts. 4  bitter(Adjective) Having an acrid taste (usually from a basic substance) The coffee was bitter.