نتایج جستجو برای: genetic modifiers
تعداد نتایج: 620378 فیلتر نتایج به سال:
BACKGROUND About half of people with Down syndrome (DS) exhibit some form of congenital heart disease (CHD); however, trisomy for human chromosome 21 (Hsa21) alone is insufficient to cause CHD, as half of all people with DS have a normal heart, suggesting that genetic modifiers interact with dosage-sensitive gene(s) on Hsa21 to result in CHD. We hypothesize that a threshold exists in both DS an...
IMPORTANCE The present study identified potential genetic modifiers that may delay or accelerate age at onset of familial Alzheimer disease (AD) by examining age at onset in PSEN1 mutation carrier families, and further investigation of these modifiers may provide insight into the pathobiology of AD and potential therapeutic measures. OBJECTIVE To identify genetic variants that modify age at o...
The accumulation of modifiers of the meiotic-drive locus Segregation Distorter (SD) in Drosophila melanogaster was monitored by measuring the changes in the mean and variance of drive strength (in terms of "make" value) that occur in laboratory populations when SD and SD+ chromosomes are in direct competition. The particular SD lines used are T(Y;2),SD translocations showing pseudo-Y drive. Fou...
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