Read Human Origins: The Emergence and Evolution of the Human Species

Human Origins: The Emergence and Evolution of the Human Species

Don Hainesworth

4.9/5 (18509 ratings)

Description:So we know DNA is that "prime mover" inside nearly every cell in your body. Built from a long string of nucleotides called T, G, C, A. And it's the order of these nucleotides that helps determine who you are and tells us about our ancient family history. But the long sought-after answer to the riddle was how it all gives rise to becoming who we are. The unveiled mystery lies in how your DNA is packaged inside your cells. When we look at a section of DNA with its particular order of As, Cs, Gs and Ts, it's a little bit like looking from a page in a book. Each page is lined up alongside a lot of other pages, one right after the other, in a row. Together this long string of pages composes a chapter in the story of who you are. This chapter is what is referred to as a chromosome. A chromosome is a package of DNA that gives you a set of traits that make you who you are. Inside your cells, there are exactly twenty-three pairs of these chromosomes. Hidden on these chromosomes are little clues that can tell us exactly who you're related to. Going back thousands of generations, all the way back to the days of our earliest species. To explain how this works in nature, when you have children, your DNA is copied and passed on to them. And that's why children tend to look like their parents. All of those billions of As, Cs, Gs, and Ts are painstakingly duplicated in every generation. Of course, the copying isn't perfect. Occasionally, there are mistakes, like typos. These typos are called mutations. They are extremely rare. An average of just one hundred typos out of the billions of As, Cs, Gs, and Ts get passed on to offspring. Most of the time, these mutations are harmless. In fact, they may serve a very useful purpose. They make each generation just a little different genetically from the one before. Over many generations, these little mutations lead to the evolution of all sorts of useful things. Our opposable thumb, our big brains, etc. But most of these mutations have absolutely no effect on us. They are simply ancestral baggage (or what is referred to as junk DNA). And here's the most important part of the story. These little genetic mutations are passed on in the DNA of every descendant that follows. What that means is that if you and someone else have the same mutations, you share an ancestor. The person in the past who first had that type in his or her DNA and passed it on to the two of you creates a marker of decent. And that's exactly what we call these typos: markers. These markers allow us to create a family tree for everyone alive today.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Human Origins: The Emergence and Evolution of the Human Species. To get started finding Human Origins: The Emergence and Evolution of the Human Species, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

Pages: —

Format: PDF, EPUB & Kindle Edition

Publisher: Authorhouse

Release: 2014

ISBN: 1491837764

Description: So we know DNA is that "prime mover" inside nearly every cell in your body. Built from a long string of nucleotides called T, G, C, A. And it's the order of these nucleotides that helps determine who you are and tells us about our ancient family history. But the long sought-after answer to the riddle was how it all gives rise to becoming who we are. The unveiled mystery lies in how your DNA is packaged inside your cells. When we look at a section of DNA with its particular order of As, Cs, Gs and Ts, it's a little bit like looking from a page in a book. Each page is lined up alongside a lot of other pages, one right after the other, in a row. Together this long string of pages composes a chapter in the story of who you are. This chapter is what is referred to as a chromosome. A chromosome is a package of DNA that gives you a set of traits that make you who you are. Inside your cells, there are exactly twenty-three pairs of these chromosomes. Hidden on these chromosomes are little clues that can tell us exactly who you're related to. Going back thousands of generations, all the way back to the days of our earliest species. To explain how this works in nature, when you have children, your DNA is copied and passed on to them. And that's why children tend to look like their parents. All of those billions of As, Cs, Gs, and Ts are painstakingly duplicated in every generation. Of course, the copying isn't perfect. Occasionally, there are mistakes, like typos. These typos are called mutations. They are extremely rare. An average of just one hundred typos out of the billions of As, Cs, Gs, and Ts get passed on to offspring. Most of the time, these mutations are harmless. In fact, they may serve a very useful purpose. They make each generation just a little different genetically from the one before. Over many generations, these little mutations lead to the evolution of all sorts of useful things. Our opposable thumb, our big brains, etc. But most of these mutations have absolutely no effect on us. They are simply ancestral baggage (or what is referred to as junk DNA). And here's the most important part of the story. These little genetic mutations are passed on in the DNA of every descendant that follows. What that means is that if you and someone else have the same mutations, you share an ancestor. The person in the past who first had that type in his or her DNA and passed it on to the two of you creates a marker of decent. And that's exactly what we call these typos: markers. These markers allow us to create a family tree for everyone alive today.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Human Origins: The Emergence and Evolution of the Human Species. To get started finding Human Origins: The Emergence and Evolution of the Human Species, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

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Human Origins: The Emergence and Evolution of the Human Species

Human Origins: The Emergence and Evolution of the Human Species

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