@dangillmor

Imagine a HUGE pot of soup, the size of a large vat.

It has beef, diced potatoes, carrots, celery, turnips, barley, tomatoes, and other delicious ingredients. Everything is chopped to similarly sized pieces.

You have one TINY spoon, and pull out a TINY spoonful from there.

What are the odds you will get a spoonful of only potatoes? What are the odds that you will get a spoonful of every ingredient?

More importantly, what are the odds you will get TWO identical spoonfuls in a row?

Now increase the ingredients to millions of different veggies, and the vat to something the size of a small city. The number of veggie & meat pieces is how many strands of DNA one parent has.

Double that. Make another giant vat. That's the other parent's DNA.

In order to have identical DNA for two siblings, you have to take identical spoonfuls from BOTH vats, TWICE in a row.

It's mathetmatically impossible.

You CANNOT predict sibling #DNA.

#GeneticGenealogy #Genealogy #DNAEthnicityTests