Explain how hereditary diseases are passed from one generation to another.
Question: Explain how hereditary diseases are passed from one generation to another.
Hereditary diseases are passed from one generation to another through a process called Mendelian inheritance, which is based on the principles of genetics. In this process, changes (mutations) in a person's DNA, which contains the instructions for making a person's body and cells, can be passed on from one generation to the next. These mutations can cause genetic disorders, which can be either dominant or recessive. Dominant genetic disorders can be passed on even if only one mutated gene is inherited from one parent, while recessive genetic disorders require both parents to pass down the same mutated gene. With this in mind, it is possible for a person to have an illness caused by a hereditary gene and pass it on to their children.
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