Haemophilia is an X-linked recessive inherited condition. Haemophilia affects the blood's ability to clot and those affected don't have as many clotting factors as normal. This means that people with haemophilia tend to bleed for longer than usual. Of the couple in the image the mother is a carrier of haemophilia (XX) and the father does not have haemophilia (XY). a) Draw a family tree showing this couple's probable outcomes for their male and female

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
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Chapter1: The Human Body: An Orientation
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Haemophilia is an X-linked recessive inherited condition. Haemophilia affects
the blood's ability to clot and those affected don't have as many clotting factors
as normal. This means that people with haemophilia tend to bleed for longer
than usual.
Of the couple in the image the mother is a carrier of haemophilia (XX) and the
father does not have haemophilia (XY).
a) Draw a family tree showing this couple's
probable outcomes for their male and female
offspring. Identify on the family tree the
genotypes and percentage possibility of the
offspring being carriers of haemophilia, being
haemophiliac, or being free of the condition.
Transcribed Image Text:Haemophilia is an X-linked recessive inherited condition. Haemophilia affects the blood's ability to clot and those affected don't have as many clotting factors as normal. This means that people with haemophilia tend to bleed for longer than usual. Of the couple in the image the mother is a carrier of haemophilia (XX) and the father does not have haemophilia (XY). a) Draw a family tree showing this couple's probable outcomes for their male and female offspring. Identify on the family tree the genotypes and percentage possibility of the offspring being carriers of haemophilia, being haemophiliac, or being free of the condition.
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