Changes

<div class=" mw-collapsible mw-collapsed">

<div class=" mw-collapsible mw-collapsed">

   #paste chr1.mills.bcf and chr2.mills.bcf

   #paste together genotypes from the CEU trio into one file.

  vt paste chr1.mills.bcf chr2.mills.bcf -o mills.bcf

  vt paste NA12878.mills.bcf NA12891.mills.bcf NA12892.mills.bcf -o ceu_trio.bcf

<div class="mw-collapsible-content">

<div class="mw-collapsible-content">