In The Gno

Blood type is a special type of inherited trait that is governed by multiple alleles, or gene variants.  Most often referred to as the ABO blood group, these three alleles (A, B, and O) can produce four phenotypes from six genotypes.  Of the three possible alleles, A and B are always dominant to O.  In [...]

These terms might sound scary, but there is a simple explanation for each.  A phenotype is merely how a gene is expressed.  For instance, a dimpled chin is an example of a trait that is governed by genetics.  Your phenotype is determined by whether or not you have a dimple in your chin.  Some people [...]

Genetics, the science of heredity, is a diverse field rich in many topics of study and research including genes and DNA, chromosomes, related diseases or conditions, and patterns of inheritance.  Roots of genetics can be traced back to the 1800s when an Austrian monk named Gregor Mendel first began studying inheritance patterns using garden-variety pea [...]