Wednesday, July 20, 2011

Chapter 3: Handy Genes

Shubin amazes me again as he makes information that can be in a textbook so interesting. He once again starts off with random information which hooked me into the chapter. He made the chapter easy to follow by making himself seen as if he is right in front of the reader through the use of "we" and "you." His comparisons of cells to puzzles and human bodies to a concerto helped us relate to something we clearly know unlike cells. Pictures also helped us "see" what he was talking about. When he wrote about the Gasseling experiment, I had a hard time picturing and seeing what he was saying which made it hard for me to comprehend. Just as I was about to turn back the page to reread the section, the picture explained everything that is hard to put in to words.

I found the limbs' development very interesting. I did not even know that the hedgehog even existed, but Shubin informed me again. It amazes me that a single gene can control the development of limbs that we will have till the end of our lives. It also amazes me that humans have such power over genes and cells. The Gasseling experiment opened up many topics and other experiments to find the hedgehog, but it also gave me a open mind to whatever Shubin might say next.

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