The puppy's mother is an all-white husky, which is already a rare coat color for Siberian huskies, and the father is a Jack Russell terrier. When these two dog breeds cross, they form a Husky Jack.

Jack Russell Terriers, like many other small dog breeds, are also prone to patella luxation. “This is where their kneecap easily slides side to side,” says Dr Godfrey.

The smiling Jack Russell puppy was adopted by his forever family at 8 weeks old. Stock image of a smiling Jack Russell Terrier, lying on green grass. Getty Images ...