every human is different give reason
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Answer:
1. We know that all human beings are different because we have different thoughts, different nature , different behavior. 2. Religious practices are different for different people because, different religions consider different God and thus they all have different practices.
Answer:
We don't, but the probability of two people being exactly the same is just so low that we assume that 6-7 billion people isn't enough to see an exact match. You would probably need to have trillions upon trillions of humans before having two exactly identical people.
In the history of forensics, no two people have been found with the exact same fingerprint pattern, even fraternal twins (excluding mistakes in fingerprint examination). Although not everyone's fingerprint has been processed, the sheer volume of people with unique fingerprints lets us calculate that the probability of two people having the same fingerprint is extremely low, around one in 64 million.
Now, fingerprints are only one aspect of the human body. Genes are also identical in each human being, except for fraternal twins. DNA evidence relies on the assumption that the probability of two people (who are not fraternal twins) having the same DNA profile is so low that it is negligible. Depending on the amount of loci you are examining, this probability is extremely low. If you look at all 13 loci, the probability of two random people who are unrelated having the same DNA is one in 400 trillion [1]. DNA tests could look at more loci, and this number would be even lower, but the probability is already so low with 13 that there isn't much of a point.
Now, just think about the probability of having the same fingerprints and the same DNA as another person. That would be an even smaller number.
Furthermore, fingerprints and DNA are only one aspect of a human being. If we incorporate the human brain into the equation, the probability would get smaller still. Even fraternal twins with the same DNA profile don't end up exactly the same. This is because they both have different experiences, and thus their brain and body are uniquely molded by the environment around them. They eat different things, have different friends, and think different things etc., leading to differential neural connections. The same thing occurs with people who aren't fraternal twins - their experiences are unique, leading to unique brain development. The brain is molded by it's unique experience of the world.
In order for someone to have the exact same brain and body as me they would need the following:
My exact DNA profile.
My exact fingerprints.
My exact pattern of gene expression (i.e. methylation)
My exact experiences, including events that have occurred to me, sensory inputs, memories, and thoughts.
The probability of having all of those things at the same time is so small that we can confidently say that there isn't another human being alive that is exactly the same as me. Although it is technically possible, it is highly improbable.
Explanation:
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