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Y chromosome - Y chomosome-linked diseases | A Wisdom Archive on Y chromosome - Y chomosome-linked diseases | | Y chromosome - Y chomosome-linked diseases A selection of articles related to Y chromosome - Y chomosome-linked diseases | |
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Y chromosome, Y chromosome - Function, Y chromosome - Genes on the Y Chromosome, Y chromosome - Origins, Y chromosome - Repair of the Y chromosome, Y chromosome - Y chomosome-linked diseases, Y chromosome - Y chromosome in Genetic Genealogy, Y-chromosomal Adam, Y-chromosomal Aaron, genetic genealogy, genealogical DNA test, Y-STR (Y chromosome Short Tandem Repeat), Y linkage, X chromosome
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ARTICLES RELATED TO Y chromosome - Y chomosome-linked diseases | |
| | |  Y chromosome - Y chomosome-linked diseases: Encyclopedia II - Y chromosome - Repair of the Y chromosomeChromosomes have robust and accurate repair mechanisms. Over time random mistakes - mutations - occur throughout all chromosomes, and the existence of some high-accuracy repair mechanism is known to be necessary for the survival of the chromosome, and thus the species carrying the chromosome.
The primary repair mechanism is dependent upon the fact that all people receive two sets of each chromosome, one from their mother and one from their father. Over time damage occurs, yet at the same time, chromosome pairs swap damaged genes out a ...
See also:Y chromosome, Y chromosome - Function, Y chromosome - Origins, Y chromosome - Genes on the Y Chromosome, Y chromosome - Y chomosome-linked diseases, Y chromosome - Repair of the Y chromosome, Y chromosome - Y chromosome in Genetic Genealogy Read more here: » Y chromosome: Encyclopedia II - Y chromosome - Repair of the Y chromosome |
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| | | | Y chromosome - Y chomosome-linked diseases: Encyclopedia II - Y chromosome - Origins Many cold-blooded vertebrates have no sex chromosomes. If they have different sexes, sex is determined environmentally rather than genetically. For some of them, especially reptiles, sex depends on the incubation temperature, others are hermaphroditic.
X and Y chromosome diverged about 350 million years ago, when some reptile developed a gene which makes all its owners to be males. The chromosome with this gene became Y chromosome, and similar chromosome without it became X chromosome. So initially, X and Y chromosomes were almost the ...
See also:Y chromosome, Y chromosome - Function, Y chromosome - Origins, Y chromosome - Genes on the Y Chromosome, Y chromosome - Y chomosome-linked diseases, Y chromosome - Repair of the Y chromosome, Y chromosome - Y chromosome in Genetic Genealogy Read more here: » Y chromosome: Encyclopedia II - Y chromosome - Origins |
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| | | | Y chromosome - Y chomosome-linked diseases: Encyclopedia II - Y chromosome - Function Each person normally has one pair of sex chromosomes in each cell. As a general rule, the Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosomes. However there are exceptions where this is not the case, for details see Intersex. Many of the genes on the Y chromosome are involved in male sexual determination and development; the most important of them is the SRY gene, which seems to determine the sex in primates. ...
See also:Y chromosome, Y chromosome - Function, Y chromosome - Origins, Y chromosome - Genes on the Y Chromosome, Y chromosome - Y chomosome-linked diseases, Y chromosome - Repair of the Y chromosome, Y chromosome - Y chromosome in Genetic Genealogy Read more here: » Y chromosome: Encyclopedia II - Y chromosome - Function |
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