- n. genetics alternative spelling of Y chromosome.
“The Y-chromosome in males does not contain the same genesthat are carried on the X-chromosome.”
“If a man with X-linked lymphoproliferative syndrome (and hence an SH2D1A alteration) has children with a female partner who does not carry an alteration in SH2D1A, he will either pass on a Y-chromosome to his sons (who will therefore be unaffected by the syndrome) or he will pass the X-chromosome with the SH2D1A alteration to his daughters (who will be X-linked lymphoproliferative syndrome carriers).”
“This is because he does not have an extra normal copy of SH2D1A on his Y-chromosome to compensate by making normal SAP protein.”
“Females have two X-chromosomes, whereas males have one X-chromosome and one Y-chromosome.”
“A male child will always receive an X-chromosome from his mother and a Y-chromosome from his father.”
“So, seeing as I'm a person with a Y-chromosome, I thought I'd see if I've read many or any of the books on the list.”
“Additionally in 2008, ISOGG encouraged and facilitated the development of Y-chromosome nomenclature standards for Short Tandem Repeats or STRs by the National Institutes of Standards and Technology, and their subsequent adoption by the ancestral DNA companies and labs.”
“In the other Y-chromosome apartment, Mondo is not having an easy time making friends.”
“Nine months later, he was contacted independently by two men with Y-chromosome profiles almost identical to his own—and the same surname.”
“This absence of female genetic material makes Y-DNA testing a natural choice for genealogists, because the nature of most human surnames follows the same inheritance pattern as Y-chromosome markers.”
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