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] .
When Do Babies Sit Up On Their Own Unassisted? The stage comes after having learned to hold his head up and rolling over. The majority of infants sit up for the first time between the tender ages of 4 and 7 months. However, they often sit for a couple of minutes before toppling over.