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  2. Compound heterozygosity - Wikipedia

    en.wikipedia.org/wiki/Compound_heterozygosity

    In medical genetics, compound heterozygosity is the condition of having two or more heterogeneous recessive alleles at a particular locus that can cause genetic disease in a heterozygous state; that is, an organism is a compound heterozygote when it has two recessive alleles for the same gene, but with those two alleles being different from each other (for example, both alleles might be ...

  3. Renal medullary carcinoma - Wikipedia

    en.wikipedia.org/wiki/Renal_medullary_carcinoma

    The etiology of renal medullary carcinoma is still not completely understood. However, the majority of individuals diagnosed with this type of cancer have had sickle cell trait, in which the person carries one normal copy of the hemoglobin A gene (HbA) and one copy of the hemoglobin A gene harboring the genetic mutation found in sickle cell disease (HbS).

  4. Gene therapy - Wikipedia

    en.wikipedia.org/wiki/Gene_therapy

    Diseases such as sickle cell disease that are caused by autosomal recessive disorders for which a person's normal phenotype or cell function may be restored in cells that have the disease by a normal copy of the gene that is mutated, may be a good candidate for gene therapy treatment.

  5. Medical genetics of Jews - Wikipedia

    en.wikipedia.org/wiki/Medical_genetics_of_Jews

    This would be similar to the hemoglobin allele which is responsible for sickle-cell disease, but solely in people with two copies; those with just one copy of the allele have a sickle cell trait and gain partial immunity to malaria as a result. This effect is called heterozygote advantage. [27]

  6. Google Maps - Wikipedia

    en.wikipedia.org/wiki/Google_Maps

    Version 2.0 of Google Maps Mobile was announced at the end of 2007, with a stand out My Location feature to find the user's location using the cell towers, without needing GPS. [ 192 ] [ 193 ] [ 194 ] In September 2008, Google Maps was released for and preloaded on Google's own new platform Android.

  7. Alfalfa - Wikipedia

    en.wikipedia.org/wiki/Alfalfa

    Most alfalfa cultivars contain genetic material from sickle medick (M. falcata), a crop wild relative of alfalfa that naturally hybridizes with M. sativa to produce sand lucerne (M. sativa ssp. varia). This species may bear either the purple flowers of alfalfa or the yellow of sickle medick, and is so called for its ready growth in sandy soil. [83]

  8. Genetic linkage - Wikipedia

    en.wikipedia.org/wiki/Genetic_linkage

    Genetic linkage is the tendency of DNA sequences that are close together on a chromosome to be inherited together during the meiosis phase of sexual reproduction.Two genetic markers that are physically near to each other are unlikely to be separated onto different chromatids during chromosomal crossover, and are therefore said to be more linked than markers that are far apart.

  9. Coalescent theory - Wikipedia

    en.wikipedia.org/wiki/Coalescent_theory

    Coalescent theory is a model of how alleles sampled from a population may have originated from a common ancestor.In the simplest case, coalescent theory assumes no recombination, no natural selection, and no gene flow or population structure, meaning that each variant is equally likely to have been passed from one generation to the next.