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Alba Briones Luna nº2Teresa Granado Ruiz nº9
INHERITANCE OF SEX Heterochromosomes        genes that determine sex, are in a pair of  chromosomes being different in sh...
SEX-LINKED INHERITANCE                        RARE DISEASE Gene not determining a sex           Low       incidence  in ...
ADRENOLEUKODYSTROPHY (ALD)
FATTY ACIDS and MYELIN Long chains of hydrocarbons with a carboxyl terminal. Saturated fatty acids   single bonds which ...
HEMOPHILIA
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Lorenzo´s oil

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Lorenzo´s oil

  1. 1. Alba Briones Luna nº2Teresa Granado Ruiz nº9
  2. 2. INHERITANCE OF SEX Heterochromosomes genes that determine sex, are in a pair of chromosomes being different in shape and size. Remain 22 pairs of chromosomes autosomes. Somatic cells: 44 autosomes + 2 sex chromosomes. FEMALE MALE 22 22 autosomes autosomes XX XY Any numerical aberration is considered a mutation disease. Klinefelter’s syndrome karyotype 47, XXY: male phenotype, femenine characteristics.
  3. 3. SEX-LINKED INHERITANCE RARE DISEASE Gene not determining a sex  Low incidence in the characteristic located on X population. chromosome.  Only affect less than 5 per Hemophilia and colour 10.000 inhabitants. blindness: X-linked.  WHO: approximately 700 rare Y-linked women could not have diseases affecting 7% of the that allele. world population. Passed on from fathers to sons  Spain: 3 million people with rare diseases.
  4. 4. ADRENOLEUKODYSTROPHY (ALD)
  5. 5. FATTY ACIDS and MYELIN Long chains of hydrocarbons with a carboxyl terminal. Saturated fatty acids single bonds which in the carbon atoms surrounded by hydrogen atoms. Unsaturateddouble bonds. Monounsaturated single double bond. Polyunsaturated 2 or more double bonds present in a long chain fatty acid.Myelin Lipoprotein that covers the axon of neurons. Propagates the electrical impulses along neurons much faster. Demyelination: slows electrical condution decreasing normal functional activity.
  6. 6. HEMOPHILIA

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