Understanding egg fertilisation When it comes to eggs, the journey from hen to breakfast plate involves more biological processes than many realise. The fundamental distinction between fertilised and unfertilised eggs stems from whether a male chicken, or cockerel, has been involved in the egg production process. This distinction influences not just the egg's potential to develop into a chick, but also affects certain properties within the egg itself, particularly within the yolk structure. The Role of Cockerels in Egg Fertilisation A fertilised egg occurs when a cockerel's sperm successfully meets the hen's egg cell, initiating the development of an embryo. This process happens inside the hen before the shell forms…