A grandaunt is the aunt of an individual's parent. Someone's mother's aunt or father's aunt is that person's grandaunt in the same way that one's mother's mother or father's mother is a grandmother. A grandaunt is freque... More »

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When most people refer to their "great aunt," they are referring to their mother's or father's aunt, who is the sister of one of their grandparents. However, the true technical term for this relationship is "grandaunt," ... More »

A grand-aunt or grand-uncle is the sibling of your grandparent, while great-aunts and great-uncles are further removed. However, "grand" and "great" are often used interchangeably. More »

A grand uncle, also sometimes called a great uncle, is the uncle of one's parent. As such, he is also the brother of one of a person's grandparents. To a grand uncle, a person is a grand nephew or great nephew. More »

A parent's first cousin is the child's first cousin once removed. "Once removed" symbolizes the difference in genealogical generation. There is more genealogical difference between a first cousin once removed than a firs... More »

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The theory of particulate inheritance was developed by Gregor Mendel and is used to explain how offspring can occasionally develop traits that neither parent possesses. His theory revolved around the idea that offspring ... More »

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Someone has a half-sister if the two of them share only one parent. So, if a brother and sister are born to the same mother, but they have different fathers, then they are half-siblings. This is also true if they share t... More »

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