Punnett Squares

Go to the web site    

http://videos.howstuffworks.com/hsw/10620-genes-and-dna-gregor-mendels-rules-of-heredity-video.htm

While watching the video answer the following questions:

1. When did Mendel do his work?

2. What rules did Mendel discover?

3. Where are the offspring represented in a punnett square?

4. Where are the parents genes placed on the punnett square?

5. What is the meaning of the term pure bred?

6.  How many genes does each parent donate to the offspring?

7.  What is the meaning of the term hybrid?

8. What is a recessive gene?

9. What is a dominant gene?

 

Got to the web site     http://www.zerobio.com/drag_gr11/mono.htm

Complete the punnett square and copy it onto your paper.

 

Go to         http://www.phschool.com/science/biology_place/biocoach/inheritance/laws.html

Take notes on the information given.

Click “Next Concept”

Watch the animation and then click “Next Concept”

Click on the file drawer “Analysis of Crosses”

Click “Orange Eyes”

Write the parent phenotypes

Define phenotype.

Click “Make the Cross”

What is the result?

Click “Interpret the Results”

Take notes on this page.

 

Do the same for short legs and then for horns.