Cancer results from changes in genes

Cancer results from changes in genes

I. What are genes

A. What is DNA?

B. What is a gene? What is a chromosome?

C. What is a genome?

D. How are chromosomes duplicated?

Study Question:

1. _______________ which are two strands of ____________ are polymers composed of _______________ that contain ______________.

2. Fill in the blank with the following terms: chromosomes, genes, DNA, nucleotides

3. Would a genome contain all of the genes in a cell, all of the DNA in a cell, both of these, or neither?

4. What sequence would GGATTC be basepaired to within a chromosome? Write out a mutated version of this sequence.

5. Are there any genes that are not part of a chromosome?

6. How many strands of DNA are present in a chromosome during G1 phase of the cell cycle?

7. What are the chromosomes called after they have been duplicated in S phase?

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