One in 500 men carry extra sex chromosome, research suggests

[Vince]

While most men have one X and one Y chromosome, some are born XXY or XYY, putting them at increased risk of health issues ranging from type 2 diabetes, blocked blood vessels and chronic obstructive pulmonary disease (COPD), a lung condition, the study found.

One in 500 men carry extra sex chromosome, research suggests | Men's health | The Guardian

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