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mash [69]
4 years ago
11

La última zarina de Rusia, Alejandra, casada con el zar Nicolás II, dio a luz a cuatro hijas sanas (con coagulación normal en la

sangre) y a un hijo varón, Alexis, quien era hemofílico. Las hijas de esta pareja real fueron: Olga, Tatiana, María y Anastasia. Tanto el zar Nicolás II como la zarina Alejandra tenían coagulación normal.
Anote los posibles genotipos de cada miembro de la familia.
Biology
1 answer:
-Dominant- [34]4 years ago
4 0

Answer:

Padre: XY

Madre: X (X) portadora

Hijo: (X)Y hemofilico

Hija: (X)X portadora

Hija: XX sana

Hija: XX sana

Hija: XX sana

Explanation:

La hemofilia es una enfermedad de herencia ligada al X, transmitida por la madre o por gen defectuoso en el niño

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