Bill, Juno came from a Lab rescue group (she was 5 years old) and 

1) We were really curious as to what she was mixed with - as her legs are so, so long.

2) John is impossible to buy gifts for, so this seemed like a good idea

3) The genetic testing part was intriguing given what we had gone thru with the to prior pups medically.

Remember... a LAB rescue group:

She's 50% purebred German Shepard Dog (mom), 17 % lab (had to be a black one !, 17% German Shorthair Pointer, 16% Springer Spaniel.  Her picture is my avatar. 

The lady that contacted us via Embark has Juno's brother; her assistant owned the mom - the purebred GSW.  She gave me pictures of 'mom' nursing the nine puppies who were all pitch black with bits of white toes & chests.  It sure can be a small, small world.