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welcome friends uh now we are going to talk about the difference between the nuclear dna inheritance pattern and the mitochondrial dna inheritance pattern now as you can see in this picture that the nuclear dna inhibits from both our mother and father if we look at different generations like this is the generation this is the parent generation or g zero we say this is g one g two engine is g three if we look uh into the nuclear dna patterns or the dna materials that we have how that nuclear dna come to be existed into our cell from our ancestors we can see the donation of both from both my our mother and father is important for contributing to to hold the nuclear dna structures like that suppose we are having a particular characteristic in the chromosome or something like that that must be inherited not only by one of our parents but uh by both of our parents okay and as you can see in this picture in all these cases it can come throughout this so so the spectrum of this inheritance is broad as you can see in this case this this red colored area is denoted with the spectrum of this inheritance now inherit this dna and it is really broad because uh it is actually spread throughout all of our ancestors irrespective of different gender okay but if you look at the inheritance pattern of mitochondrial dna it varies it not at all broad like the nuclear dna if we see here in the first generation like like like this one like suppose this is me and i am having my mitochondrial dna from from whom ah answer is from my mom from my mom and where from where she uh she was having uh her mitochondrial dna from her mom and her mom is having it from her mom so it is only ah carried out throughout this female gender it is not at all paternally uh trans transform transfused or sorry ah pertinently ah transferred from one to another it it it have only one path for transferring it and that is uh from the maternal origin so only the maternal origin matters in this case so ah this mitochondrial dna always ah maternally inherent from one to another and that from another to another individual okay so that is the difference main difference between the nuclear dna and mitochondria now the question comes why and how ah this mitochondrial dna is inherited only maternally not paternally the answer is as we know this mitochondria is an organelle inside an eukaryotic cell so if we think about it the fertilization from where we are we can see the contribution of both nucleuses one male nucleuses which come from the sperm and one female nucleus which came from the egg which is uh produced by mother so egg produced by mother inside where we are having the nucleus as well...