Uniparental Disomy

Overview

The presence in a cell of two paired chromosomes from the same parent, with no chromosome of that pair from the other parent. This chromosome composition stems from non-disjunction (NONDISJUNCTION, GENETIC) events during MEIOSIS. The disomy may be composed of both homologous chromosomes from one parent (heterodisomy) or a duplicate of one chromosome (isodisomy).

This information is general and should not be treated as medical advice. Always speak directly with a qualified healthcare professional before making decisions about treatment, diagnosis, procedures, medicines or care.

Quick facts about Uniparental Disomy

Topic type

Condition

Category

General Healthcare

MeSH classification

C23.550.210.645.890|G05.365.590.175.935

Preparing for an appointment about Uniparental Disomy

If you are speaking with a healthcare professional about Uniparental Disomy, it can help to prepare a few details in advance.

• Write down your symptoms and when they started.
• Bring details of any medicines, supplements or previous treatments.
• Ask what tests or assessments may be needed.
• Ask what treatment or management options may be suitable.
• Ask when you should seek urgent medical help or follow-up care.

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