Age counting ?
When we describe our ages, we normally count back to the day that we were born. However, in some ways we actually as old as the 7th month of their mother's gestation. For instance, if your mother was born 48 years ago, half of your DNA footprint was established 48 years and 2-7 months ago, Why is that?
- 2 months ago
This yearly count might not apply to everyone depends what you do to let time turn you old... I try not to ever worry about counting my birthday...
- heleneLv 72 months ago
Because you can never know with certainty the day the egg was fertilized. You CAN know with certainty the day you were born. Which is why we call it a *BIRTH* day and not an AGE day or a DNA day.
This question has been asked here thousands of times. It's disturbing that so many people don't understand the simplest things anymore.
Your GRANDPARENTS contributed 25% of your DNA. Does that mean you're as old as Grandma? How about Great-Grandma, as she contributed 12.5% ?
- SlickterpLv 72 months ago
Because we know how it works and that is why we count age from birth and not from before someone was alive. Mitochondrial DNA is passed ONLY from the mother, are we all THOUSANDS of years old because some of that DNA footprint was established thousands of years ago?
- ?Lv 62 months ago
Go and have a lie down love, before you do yourself a mischief.
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- edwardLv 72 months ago
Because while men keep on producing sperm women are born with a set number of eggs...they don’t produce more