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A blood test can identify adults who carry the gene for haemoglobin type D.
This document explains about being a carrier and how this might affect an adult and their family.
It sets out:
what a haemoglobin D carrier is
how it will affect the person’s children
possible disorders a child could inherit
what the result means for other people in the family
The publication also includes information about how genetic inheritance for haemoglobin disorders work.