Plink --Update-Alleles Command Is Not Resulting In Right Way

Question

[kumar.vinod81]

I am running update allele command in plink but results is not coming in right way: Command is like this: ./plink --file mydata --update-alleles mylist.txt --make-bed --out newfile

but whenever there is a heterozygote in the file its change it into 0 0 not into the given code in the mylist.txt. Is is their any command I am to put with this to identify heterozygote.

[zx8754]

It is a straightforward command and it should work, it could be useful if you could give us a sample mydata.ped and mylist.txt file.