Why can you possess traits neither of your parents have? The relationship of genotype to phenotype is rarely as simple as the dominant and recessive patterns described by Mendel. As opposed to ...

If you get a mutation in coding DNA, then the sequence of DNA could be changed. Changing the sequence of DNA can change the amino acids that make up the protein. This could have huge consequences.

A genetic condition ... Genotype The combination of alleles in an organism - genotypes are often written as pairs of letters, one for each gene. Phenotype The appearance of the organism's genotype ...