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A human pedigree is developed by showing phenotypes of a particular genetic trait from one generation to the next in a family. ChaCha
Geneticists use probability to predict possible genotypes and phenotypes
Pedigree is used to determine wheather a trait is inherited.
To examine DNA close up.
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Geneticists use a technique called Karyotyping. Scientists take a picture of chromosomes and then arrange them in pairs to end up with 22 chromosomes and another pair that determines sex; chromosome (X,X ) for female or (X,Y) for males. Then you can determine mutation when some chromosomes are missing, ex: missing chromosome 13 will result in Patau Syndrome, or missing chromosome 18 results in Edward's Syndrome
They are looking for animals with pedigree. It means showing the animal of it's true bred.
A geneticist would use a pedigree to trace the inheritance of traits in humans.
Pedigree: A chart or "Family Tree" that tracks which members of a family have a particular trait.It is one of the important tool that geneticists used to trace the inheritance of traits in humans is a pedigree.
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People use pedigree charts to help track genetic diseases and traits passed down in their family tree.