👉 Rearing is a biological process in which two genetically identical individuals are brought together, resulting in offspring that have one copy of a dominant gene and another copy of a recessive gene. This means that both parents must carry the same genetic material to produce an offspring with the desired traits or characteristics. For example, if a male with a dominant gene for height is crossed with a female with a recessive gene for height, their offspring will have both traits - they will be tall. In contrast, when