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Alternate Alleles in VCF are more than 1 base
I've removed INDELS from a multi-sample vcf from HaplotypeCaller using SelectVariants. However, the ALT 'SNPs' are more than a single nucleotide substitution. Eg.
Q1) What is the meaning of the * symbol?
Q2) Is it to be expected that these SNPs are more than a single nucleotide substitution?