Respuesta :

Alexei Romanov have the disease of hemophilia. As, Alexei inherited hemophilia from his mother Alexandra, which was an X chromosome hereditary condition.

Alexei Romanov is said to inherited the disease of hemophilia from his mother Alexandra. This disease was an X chromosome hereditary condition which typically affects males, which she had acquired through the line of her maternal grandmother Queen Victoria of the United Kingdom.

However, Nicholas and Alexandra are said to have managed in order to keep it secret until the year 1912 when Aleksei had a profoundly serious attack of bleeding and almost died.

Hence, hemophilia is sometimes called as “the royal disease,” as it affected the royal families of England.

To learn more about hemophilia here:

https://brainly.com/question/18916729

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