Abnormal meiosis

What it means

Any anomaly of meiosis, a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category