Pedigree analysis is the process of examining a pedigree to determine the pattern of inheritance for a trait. Pedigrees are often used to determine if a trait is dominant or recessive. More »

In biology, a pedigree is a diagram showing genetic relationships between members of a family. It is used to analyze patterns of inheritance for specific genetic traits. More »

To create a pedigree chart, you need to collect all information about your relatives and ancestors. The chart shows how traits are inherited by members of a particular family. The data collected should be accurate to com... More » Family Genealogy

A Mendelian trait is a trait that is controlled by one locus and gives or shows a simple Mendelian inheritance pattern. There are a plethora of human traits that apply to this designation. More »

A eukaryotic cell's most identifiable trait is an enclosed nucleus. Eukaryotic cells are found in complex organisms, while prokaryotic cells are typically found as unicellular organisms and do not contain a nucleus. More » Science Biology Cells

Gregor Mendel discovered three principles of heredity: that the inheritance of each trait or "gene" is determined by the units that are passed down via descendants unchanged, that an individual will get one unit from eac... More »

Although most of the cells in the human body renew themselves periodically, the majority of the neurons in the brain are produced before birth in a process called neurogenesis, and serve humans for their entire lives. So... More »