Are you alone or at least a "trillion-trillion"?

Greetings!

Everyone knows that they are borne with genes from a father and mother. Every generation you go back this number doubles. 2 parents, 4 grand parents, 8 great-grand parents and 16 great-great-grand parents as shown in the pic below
So in these 4 generations 16+8+4+2 = 30 folks have their genes in you in merely last 100 years (assuming 1 generation produces next in 25 years, or at least used to).

Where does this lead to if we go say 20 generations (500 years) back, the number goes to approximately million! That is a million people's genes within you! These carry their nature, nurture as well as decisions they made as each of these had some effect on their XY chromosomes that made someone that made you. and each of these million had a million others if we go another 500 years back. That is 1 million X 1 million = 1 trillion people inside you... merely from last 1000 years! If we go further down 500 years it would a million-trillion and from the start of Calendar (A.D.) a whopping trillion-trillion people!!!

For math wizards, the formula of those whose genes reside in you since k generations is 2k *(1- exp(-(22+33*(k-1))/2(k-1))). Read the fascinating article on how to calculate the number ancestors that contributed to our genes Here

Wow! A trillion-trillion people definitely must have covered all types of personalities.  Each one of us carry every type of human personality inside us. We can tap into any - from actor, warrior, artist, cook, worker, leader... and so many flavors of it. These trillion-trillion lives must have seen every good or bad part of life and handled it enough to survive and thrive enough to produce (for sure) and nurture (hopefully) the next generation. We are made up of all these!

If it is so, how dare I say I am alone? Can you?

Sincerely Mine!
Anand Kulkarni

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