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GeneticsBelow is a free term papers summary of the paper "Genetics." If you sign up, you can be reading the rest of this term papers in under two minutes. Registered users should login to view this term paper.
Genetics When you finish this article, you'll be older than when you started it! That's because growing older is a gradual, life-long process. Aging starts at the moment you are born. How old is old? You may think you're young, but someone your age is old to a baby brother or sister. The longest human life span -- the length of time between birth and death -- isn't more than 120 years, and hasn't changed much over the course of history. But life expectancy -- the average length of time a person of a particular age may expect to live -- has changed dramatically. If you were born in 1900 in this country, you could have expected to live 47 years. A baby born today can expect to live almost 76 years. Better nutrition and clean drinking water as well as biomedical discoveries such as the immunizations you get to prevent measles and other diseases and medicines that treat strep throat have all brought about this change. We all age differently. Some people get deep wrinkles, others don't. You can get clues about how you will age by studying your parents and grandparents. Scientists believe that heredity, or the passing of traits from parents to their children, is responsible for about 30% of the differences in life expectancy. Genetics Next time you're at a family gathering, noti... This is not the end of the termpaper! Register below to see the complete version of this term paper.
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