Null alleles have posed recurring challenges for population genetics following the introduction and application of each new method of molecular assay (including serological typing, protein ...

In general, humans have the same genes. A number of genes are varied. These control our physical traits and health. Each variation is called an allele. You inherit two alleles for each gene. One comes ...

Your genes are made of DNA. This DNA provides instructions, which determines traits like your hair color and blood type. There are different versions of genes. Each ...