Chromosomal abnormalities play a key role in genetic disorders. Understanding these changes is essential for diagnosis and treatment. Learn more: https://mrkmnls.co/3GIbxlT | Merck Manual Professional

Chromosomal abnormalities in embryos and why they occur. 🌟 **Primary Causes:** These abnormalities often arise from errors during cell division, such as nondisjunction, where chromosomes fail to separate properly. Environmental factors, advanced parental age, and certain genetic predispositions can also play a role. 🧬 The main causes of these chromosomal abnormalities are: Errors during meiosis in the egg: As women age, the likelihood of errors in chromosome separation during egg maturation in