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2.  Chromosomes are located in the nucleus of the cell.  They carry the code of what we are to look like.  Genes are carried on the chromosomes (the allele combination)

3.  In order to get one allele from each parent we need to divide the alleles in half.  We do this through a process called meiosis.

4. According to the chromosomes theory of inheritance, genes are carried from parent to their offspring on chromosomes. Example: grasshopper has 24 chromosomes/ so that means 12 came from mom/ 12 came from dad giving the grasshopper a total of 24

5.  How do the egg and sperm only end up with half of the chromosomes?  This takes place during meiosis.

7.  During meiosis, the chromosome pair separate and are distributed to two different cells. The resulting sex cells have only half as many chromosomes as the other cells in the organism.

8.  Humans have a total of 46 chromosomes  How many are in each sex cell? ▪ How many did we get from mom? ▪ How many did we get from dad?

10.  During interphase of mitosis and meiosis we have to copy the DNA, so that the new cell and the daughter cells have the correct information.  This takes place through a process called DNA replication

11.  DNA is in a shape known as a double helix

12.  The sides of the DNA structure are made out of deoxyribose (sugar) and phosphate  The nitrogen bases are  Thymine  Guanine  Cytosine  Adenine

14.  In order for DNA to make a copy the double helix structure must unzip to expose the code.  While it unzips nitrogen bases will match up with its pair.

16.  During the coping process mistakes can occur, we call these mistakes mutations.  There are several different kinds of mutations  Negative  Positive  Neutral

17.  Negative mutation- will decrease the chance of survival.  Positive mutation – will increase the chance of survival.  Neutral mutation- will not affect the organisms survival rate.

23.  Go over word document  Mutation project.docx Mutation project.docx