Is it possible that loss of function single gene mutation which do not have any profound effect upon any biological or cellular process on its own, however, show strong effect in the presence of another loss of function single gene mutation? Both genes are components of same pathway.
hi Usman,
even if change is very low for gene function due to the presence of a variant, accumulation of gene defaults in the same pathway can cause major results.
try some bioinformatics tools (ingenuity, DAVID, BioGPS...) to see if your target genes are in the same pathways, and check, in regards to the frequencies of the variants in the same sample, to compute the consequence.
fred
Thank you Niklas, Marco and Frederic. I will check you suggested tools.
Yes, this is very common in organisms with large gene families. You will get functional redundancy and overlap in gene function. Also, sometimes an abnormal phenotype is only apparent in a single mutant during stress (pathogens, cold, etc.).
Dear Usman
You described a probability can occur in any organism because there are many relationships between genes in the same locus or in different loci.
Good Luck
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