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What is the difference between chromosomal disorders and monogenic disorders?

By Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 11/14/2018

Monogenic or monogenetic diseases are caused by mutations on a single gene of an person's DNA sequence. On the other hand, chromosomal diseases, also known as aneuploidies or chromosomopathies, are caused by alterations in the number and structure of the chromosomes, such as in the case of Down syndrome, Edwards syndrome, translocations, inversions, etc.

Get more info: What Genetic Diseases Can PGD Test for?

 Zaira Salvador
Zaira Salvador
B.Sc., M.Sc.
Embryologist
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
Embryologist. Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI) License: 3185-CV.