100%(6)6 out of 6 people found this document helpful
This preview shows page 1 - 3 out of 4 pages.
Week 3:Chapter 3 Study guideSCI-115SC - 75VB3 / Professor Kenneth SkennaTeyonda Thomas/2015
1.Compare the genetic recipe that builds our hands with the recipe that build’s a fish’s fins. [thisquestion 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 ofthe new DNA was not involved and a large amount of the shift was the involvement of usingancient genes.2.TRUE or FALSE: All of the cells of our bodies – nerve cells, skin cells, bone cells, etc. – containexactly the same DNA as each other.True3.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).