Fertility research. Conceptual computer artwork of a human egg cell and sperm cells overlaid with the banding pattern of a DNA (deoxyribonucleic acid) autoradiogram. This could represent research into the mechanisms of fertilisation, the process where one of the male sperm cells fuses its DNA (genetic material) with that of the female egg cell. The image could also represent research into inherited disease, and using artificial fertilisation (like IVF) to screen out damaged or undesirable genes. The bands of the autoradiogram represent the sequence of the nucleotide bases that form the genetic code found in DNA, and which contains the instructions for forming a new human.