MUTATIONS

1. Click here to view an animation that explains how mutations occur in your DNA.

2. Click here to view an animation about sickle cell anemia.
2.1 What is sickle cell anemia?
2.2 How many abnormal genes must a person inherit to suffer from sickle cell anemia?

3. Click here to view an animation that explains how a drug, Gleevec, can stop the harmful effects of a specific type of Leukemia.

PROTEIN SYNTHESIS

1. Click here for a step by step animation that explains all of the steps of protein synthesis in detail.

2. RACE THE CELL: Can you build a protein faster than the cell? CLICK HERE to test your speed and see how the cells make proteins in your body.

VIDEOS FROM CLASS: PROTEIN SYNTHESIS

1. CLICK HERE to watch the video on Transcription.

2. CLICK HERE to watch the video on Translation (= protein synthesis)

3. CLICK HERE to watch the video clip that explains DNA duplication

TRANSCRIBE AND TRANSLATE A GENE

CLICK HERE to access an interactive website that will allow you to transcribe and translate a gene.

What is the polypeptide sequence the given gene codes for?

1. TRANSCRIPTION: MAKING mRNA

Click here to watch an animation on how transcription occurs?

1. Where does transcription occur?

2. Where is mRNA travelling to with the message from DNA? Why?

2. DNA DUPLICATION

Click here to watch an animation on DNA replication. This animations showsb the multiple enzymes involved in DNA replication.
1. Why do we say that DNA replication is semi-conservative?

HOW DOES 6 FEET OF DNA FIT IN THE CELL'S NUCLEUS

Click here to find out!!!

1. DNA REPLICATION

Click here to view an animation on DNA replication.

1. Why does DNA need to duplicate?
2. When does DNA duplicate?
3. What is DNA made of?
4. What are the four nitrogen bases present in DNA?

HUMAN PEDIGREES

Click here for a web tutorial on analysis on human pedigrees. On the tutorial site, the link to web tutorial 3.4 leads to two animations and to two exercises. After watching the animations and completing the exercises you can take the post quiz (10 questions) . How did you do?

KARYOTYPING ACTIVITY

Click here to diagnose any missing or extra chromosome on each of the three patients.
Question:
1. What news will you provide the patients with?
1. Why/How can an organism carry one extra or one missing chromosome?

SCIENCE SUMMER CAMP 2010

Would like to attend Science Summer Camp 2010? This looks like a great opportunity to participate in interesting Science programs.
Click here for more details about the programs offered.
Online application

HOW DO CELLS PRODUCE GENETICALLY DIVERSE GAMETES?

How do cells produce genetically diverse gametes? Click here to find out! And don't forget to take the 2 question quiz!

INDEPENDENT ASSORTMENT OF CHROMOSOMES

Click here for an animation that explains the concept of INDEPENDENT ASSORTMENT OF CHROMOSOMES.
Can you identify the mistake on the narration? Let me know!

NOTE: Click on the picture to view this post's image larger

INDEPENDENT ASSORTMENT OF CHROMOSOMES

THIS NARRATED ANIMATION will help you review the concept of INDEPENDENT ASSORTMENT OF CHROMOSOMES. You can take a 3 question quiz after watching the animation. Let me know how you do!!!

NOTE: You can click on the pictures on the blog to view them larger!

GENETIC CROSSES

This animation is a great overview of monohybrid and dihybrid crosses. The animation requires your participation!!!

INCOMPLETE DOMINANCE and CODOMINANCE

Click here to access an interactive website to review the concepts of incomplete dominance and codominance. On the website click on enter web lab and follow the instructions. The last slides are practice problems. How did you do?

1. What is incomplete dominance?
2. What is codominance?
3. Why can the genotypes of traits inherited in a codominant or icomplete dominant manner be written as R1R1, R1R2, R2R2?

GENETICS: MONOHYBRID CROSSES

CLICK HERE to access a website with Mendelian Genetics exercises. Try them and check check your answers. How did you do?