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Genetics - Form IX  DNA From the Beginning - Modules 6-14

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TAB OR USE THE MOUSE Between the fields....

You are encouraged to work in small groups (pairs or threes). You will only have to submit one paper per group (with all the names!)

You will want to keep this window open while you work on DNA From the Beginning. To do this you should open "DNA" in a new window.

Answer the questions as best you can. The boxes will expand as you type if you need more space. (Don't worry if it is a one word answer. The box size is standard.)

Name:

Class Period

1 2 3 4 5 6 7

Read Module 6-Genetic Inheritance Follows Rules  in "Classical Genetics" at DNA From the Beginning

Question 1: For each scientist listed in this section list what were his major accomplishments.

Read Module 7-All cells arise from pre-existing cells

Question 2: Who said "omnis cellula e cellula" and when did he say it?

Read Module 8-Sex Cells have one set of chromosomes; body cells have two

Question 3: In what phase of meiosis do you reduce the number of chromosomes?

Question 4: Why do you need two cell divisions in meiosis?

Read module 9 Specialized chromosomes determine gender

Question 5: If you were to centrifuge (separate by density) a mixture of sperm and eggs why would they separate into layers with the eggs on top, followed by a layer of sperm that would produce sons and then on the bottom a layer of sperm that would produce daughters.

Remember, the boxes will expand as you type if you need more space.

Read module 10- Chromosomes carry genes & module 11 Genes get shuffled when chromosomes exchange pieces.

Question 6: Who first worked on fruit flies and who published the first linkage map?

Read module 12 Evolution begins with the inheritance of gene variations.

Question 7: Define hybrid vigor.

Read module 13 Mendelian laws apply to human beings

Question 8: What is brachydactyly? How did Alexis Romanov die?

Read module 14 - Mendelian genetics cannot fully explain human health and behavior.

Question 9: Do you think that "love of the sea" is a genetically determined trait? What kind of behaviors do you think are genetically determined? What kind of behaviors do you think are NOT genetically determined?

 

      

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