Consider the following hormones and their role in the workings of the endocrine system: Where the hormone is produced. Hormone(s) secreted. Hormone function. Adrenal glands. Aldosterone. Regulates salt, water balance, and blood pressure.
Sometimes there are tissue-specific mutations that control formation of certain tissues and/or organs. For instance, if mutation affects skin then the skin would be wrinkly/ugly but organism would still develop.
The expression of genes in an organism can be influenced by the environment, including the external world in which the organism is located or develops, as well as the organism â¦ 's internal world, which includes such factors as its hormones and metabolism.