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Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. [2] The most common type is known as sickle cell anemia. [2] It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [2] This leads to a rigid, sickle -like shape under ...
The table below shows the human Y-chromosome DNA haplogroups, based on relevant studies, for various ethnic [dubious – discuss] and other notable groups from Europe. The samples are taken from individuals identified with the ethnic and linguistic designations shown in the first two columns; the third column gives the sample size studied; and ...
The genetic divergence of R1a (M420) is estimated to have occurred 25,000 [2] years ago, which is the time of the last glacial maximum.A 2014 study by Peter A. Underhill et al., using 16,244 individuals from over 126 populations from across Eurasia, concluded that there was "a compelling case for the Middle East, possibly near present-day Iran, as the geographic origin of hg R1a". [2]
M267, L255, L321, L765, L814, L827, L1030. Haplogroup J-M267, also commonly known as Haplogroup J1, is a subclade (branch) of Y-DNA haplogroup J-P209 (commonly known as haplogroup J) along with its sibling clade haplogroup J-M172 (commonly known as haplogroup J2). (All these haplogroups have had other historical names listed below.
The distribution of haplogroup E1a lineages in Portugal was independent of the distribution of the younger and more ubiquitous E1b1a. [26] this distribution is consistent with a prehistoric migration from Africa to Iberia, possibly alongside mtDNA haplogroup U6. In Majorcans, Sub-Saharan Y-DNA lineage E-V38 was found at a total of 3.2% (2/62). [27]
Derek Stefureac was having a normal day at work, talking to a colleague, when the first symptom appeared. “I felt some really intense numbness in my left foot,” Stefureac, 52, tells PEOPLE ...
1 in 10,000 people [2] Spinal muscular atrophy (SMA) is a rare neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting. [3][4][5] It is usually diagnosed in infancy or early childhood and if left untreated it is the most common genetic cause of infant death. [6] It may also appear later in life and then ...
Haplogroup J-M172. In human genetics, Haplogroup J-M172 or J2[Phylogenetics 1] is a Y-chromosome haplogroup which is a subclade (branch) of haplogroup J-M304. [Phylogenetics 2] Haplogroup J-M172 is common in modern populations in Western Asia, Central Asia, South Asia, Southern Europe, Northwestern Iran and North Africa.