How the gene comes from grandparents to the Granddaughters or grandsons??
Answers
Explanation:
Explanation:.What makes you who you are genetically? The easy answer is your family. The longer answer begins with the fact that all humans have two parents (at least for now), and usually four distinct grandparents (there are unfortunate exceptions). Genetically you are a recombination of four separate individuals. But that does not mean you have an equal contribution from four separate individuals. Humans normally carry 23 pairs of chromosomes: 22 autosomal pairs and one pair of sex chromosomes, either two copies of the X for a female or an X and a Y in the case of males. By Mendel’s law of segregation you receive one copy of each pair from your mother (via the egg), and one copy from your father (via the sperm). This means exactly half of your genome derives from each parent
Answer:
☆. DNA gets shuffled each generation
But before this genetic information is passed down, it gets shuffled in an event called genetic recombination. Genetic recombination means that your chromosomes aren't purely from one grandparent or the other one. Chromosomes get mixed and matched before they are passed on.
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