Is there a way to experimentally distingiush between a paternal and maternal chromosome from any given somatic cell from our body ?

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Heath Blackmon

When both parents and an offspring have been sequenced then you can use SNPs that are unique to one parent to identify the source of the alleles present in the offspring. This is the approach that is often used to identify differences in the expression of alleles from two parents.

Judy Slome Cohain

Towards the end she explains the difference between paternal and maternal DNA:

https://www.youtube.com/watch?v=RxT5NwQUtVM

https://www.youtube.com/watch?v=KeTaSmXAXH0