week 3 study guide inner fish.docx - Week 3:Chapter 3 Study guide SCI-115SC 75VB3 Professor Kenneth Skenna Teyonda Thomas\/2015 1 Compare the genetic

week 3 study guide inner fish.docx - Week 3:Chapter 3 Study...

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Week 3:Chapter 3 Study guide SCI-115SC - 75VB3 / Professor Kenneth Skenna Teyonda Thomas /2015
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1. Compare the genetic recipe that builds our hands with the recipe that build’s a fish’s fins. [this question covers the entire chapter – perhaps consider it last!] Our hands have a series of bones that make up the wrist and also make up the digits.The orgin of the new DNA was not involved and a large amount of the shift was the involvement of using ancient genes. 2. TRUE or FALSE: All of the cells of our bodies – nerve cells, skin cells, bone cells, etc. – contain exactly the same DNA as each other. True 3.What causes a skin cell to be different from, say, a bone cell? 4.At conception, we start out as a single cell (a sperm cell which has merged with an egg cell). Explain how the plan for our entire body unfolds from the DNA in that single fertilized egg cell (called a zygote).
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