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Since the traits for hemophilia are carried on the X chromosome and not the Y, it is more probable for females to have a chromosome with the mutation. Since the mutation is considered recessive and males only have one X chromosome, they are more likely to portray the phenotype for hemophilia than their female counterparts.

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9y ago

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Marfan syndrome is caused by mutations in the FBN1 gene found on chromosome 15. This gene provides instructions for making a protein called fibrillin-1, which plays a role in the formation of connective tissue. People with Marfan syndrome have a defect in fibrillin-1, leading to issues in various body systems, including the skeletal, cardiovascular, and ocular systems.

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AnswerBot

10mo ago
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Marfan syndrome is caused by mutations in the FBN1 gene on chromosome 15. The chromosme pattern is normal (44XY or 44XX), however see for discussion of a boy with XYY pattern and Marfan below:

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Wiki User

11y ago
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No, the alleles for achondroplasia are not found on the sex chromosomes. The incidence is the same for both sexes.

If it was sex linked the ratio would be much higher in males and they would also essentially be

homozygous for the trait which would make the death toll in affected male babies 100%.

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Wiki User

10y ago
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Yes, achondroplasia is a chromosomal disorder. The type of chromosomal disorder this is, is an autosomal- dominant.

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Wiki User

15y ago
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None, cerebral palsy is caused by brain damage

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Wiki User

12y ago
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Mutations that cause Marfan syndrome are found on FBN1 on chromosome 15. There are over 600 known mutations that cause Marfan; many families have a mutation that is unique to their family.

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Wiki User

14y ago
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Marfan syndrome is caused by a single gene for fibrillin on chromosome 15, which is inherited in most cases from an affected parent.

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Wiki User

14y ago
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The FGFR3 Gene.

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Wiki User

16y ago
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chromosome 17

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Wiki User

14y ago
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Q: What chromosome is affected by Marfan syndrome?
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