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Arterial tortuosity syndrome. Aspartylglucosaminuria. Atelosteogenesis, type II. Athabaskan brainstem dysgenesis syndrome. Atransferrinemia. Autosomal recessive axonal neuropathy with neuromyotonia. Autosomal recessive GTP cyclohydrolase I deficiency. Autosomal recessive multiple epiphyseal dysplasia.
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child. There are over 6,000 known genetic disorders in humans.
X-linked recessive inheritance. X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be always expressed in males (who are necessarily hemizygous for the gene mutation because they have one X and one Y chromosome) and in females who are homozygous for the gene mutation, see zygosity.
Tetra-amelia syndrome (tetra- + amelia), also called autosomal recessive tetraamelia, [1] is an extremely rare autosomal recessive [2] congenital disorder characterized by the absence of all four limbs. Other areas of the body are also affected by malformations, such as the face, skull, reproductive organs, anus, lungs and pelvis. [1]
Less often, syndromes may be transmitted as an autosomal recessive trait. Both alleles of a gene must be mutated in autosomal recessive disorders for an individual to have a predisposition to cancer. A person with two recessive alleles is known as homozygous recessive. Both parents must have at least one faulty allele in order for a child to be ...
Certain other phenotypes, such as wet versus dry earwax, are also determined in an autosomal recessive fashion. [24] [25] Some autosomal recessive disorders are common because, in the past, carrying one of the faulty genes led to a slight protection against an infectious disease or toxin such as tuberculosis or malaria. [26]
Mendelian traits in humans. A 50/50 chance of inheritance. Sickle-cell disease is inherited in the autosomal recessive pattern. When both parents have sickle-cell trait (carrier), a child has a 25% chance of sickle-cell disease (red icon), 25% do not carry any sickle-cell alleles (blue icon), and 50% have the heterozygous (carrier) condition. [1]
Werner syndrome has an autosomal recessive pattern of inheritance. Werner syndrome (WS) or Werner's syndrome, also known as "adult progeria ", [1] is a rare, autosomal recessive disorder [2] which is characterized by the appearance of premature aging. [3] Werner syndrome is named after the German scientist Otto Werner. [4]
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