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] .
Confidence votes 30. All babies develop at their own pace. A baby should be able to sit up by themselves between 5 and 7 months. Keep in mind in the beginning they will need some support like pillows stacked around them and as time goes on and muscles strengthen they will be able to do it by themselves.hen do babies start sitting up by themselves?   Baby's start sitting on their own and getting into a sitting position between 6.5 months and 10 months.