DNA DETECTIVES WORKSHEET

All students must answer the DNA sequencing and Reproductive sections on the worksheet, plus your individual task. Answer all questions using complete sentences please.

DNA Sequencing

1. Read thru the website using the next button at the top right hand side of page. On the Reading DNA page- what is a DNA sequence?

2. On the Sequencing Matters page-How is DNA sequencing done?

Reproduction

1. In what type of cells does asexual reproduction take place?

2. What is the genetic outcome in asexual reproduction?

3. In what type of cell does sexual reproduction take place?

4. What is the genetic outcome in sexual reproduction?

Mitosis specialists:

1. In what type of cell does mitosis take place?

2. How many cells are there at the completion of mitosis?

3. In 3-6 sentences summarize what happens during the process of mitosis. Include the end result (cells that are identical genetically or have half the number of chromosomes) and the number of stages in mitosis.

4. In the boxes below draw the stages of mitosis.

Interphase

Prophase

Metaphase

Anaphase

Telophase

Cytokinesis

Meiosis Specialists

1. In what type of cells does meiosis takes place?

2. How many cells are there at the completion of meiosis?

3. In 5-7 sentences summarize the process of meiosis. Include the end result (cells that are identical genetically or have half the number of chromosomes) and the number of stages in meiosis.

Marine Biologist

1. Where does Asterias vulgaris live?

2. What does the Asterias vulgaris look like?

3. What does Asterias vulgaris eat?

4. How does the Asterias vulgaris reproduce?

Geneticist

1. What is the structure of DNA?

2. What chemicals make up the DNA molecule?(6)

3. How do the chemicals in the DNA model pair up?

4. Draw a typical DNA molecule.