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there are both paternal and maternal chromosomes, which carry maternal/paternal genes.
"Maternal" is of or pertaining to the mother, "paternal" is of or pertaining to the father.
Maternal refers to your mother and paternal to your father. My maternal grandmother lives in Scotland, but my paternal grandmother lives just down the street.
Paternal is related to the father while maternal is related to the mother. Example: Your maternal parent is your mother and your paternal parent is your father.
maternal granddad died of complications of senile dementia and paternal grandad dies of an unknown cardiac disorder.
Maternal refers to mother. Paternal refers to father. So the maternal mother would be the mothers mother and the paternal mother would be the fathers mother.
paternal
The male side is the paternal side and the female side is the maternal side.
Your maternal grandmother is the mother of your mother. Similarly your paternal grandmother is the mother of your father, paternal grandfather is father of your father and maternal grandfather is father of your mother.
Disorder
The opposite gender is "paternal."
Armenian (paternal)Scottish, Dutch (maternal)