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29 Explain the causes inheritance symptom pattern of haemophilla |
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Answer» Hemophilia A and hemophilia B are inherited in an X-linked recessive pattern . The genes associated with these conditions are located on the X chromosome, which is one of the two SEX chromosomes . In males (who have only one X chromosome), one ALTERED COPY of the gene in each CELL is sufficient to CAUSE the conditionExplanation:explanation here is the pic |
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