Secondly, they aren't white.. While some double merle dogs are almost pure white, they can go the complete range all the way up to a dog that you would think is a just a normal merle (most fall somewhere in the middle).
In between five and six months, your baby usually starts to sit up with your help, holding his head in an upright position, keeping the back straight. He may even be able to sit for a second or so without taking any assistance from you, before toppling down after a while [1] .
Age 8-12 Months. By age 8 months, most babies can sit up without support. They also figure out how to roll down to their stomachs and return to a sitting position again.Some babies are in constant motion; they'll arch their necks and look around while on their stomachs and grab at their feet or objects while on their backs.y age 8 months, most babies can sit up without support. They also figure out how to roll down to their stomachs and return to a sitting position again.