1. "Attitude is a little thing that can make all the difference."
1/12/2019
Title: Biology 2/12/07
Objectives:
To assess learning about some of the aberrations to Mendelian genetics and dihybrid crosses and continue to learn about pedigree analysis
Class Topics
Hand in W.S. 8.2 before the bell rings please
3A hand in W.S. Interpreting Information in a Pedigree
Chapter 8 Quiz 2 Review
Chapter 8 –Sex-linked inheritance
Pedigree lab correction
Investigating Inherited Traits
Human traits
"Attitude is a little thing that can make all the difference."
Sir Winston Churchill
Saturday, January 12, :40 PM

2. Class Assignments W.S. 8.2 (DR/Color Blind/Gene Spy) 2/12/07
1/12/2019
Class Assignments
What
By When
W.S. 8.2 (DR/Color Blind/Gene Spy) 2/12/07
Investigating Inherited Traits 2/14/07
Due this class period
Due next class period
Due in the future

3. 1/12/2019
Grade Sheet
2A – p. 157 (5 pts.)

4. 1/12/2019

5. Sex-linked Inheritance
1/12/2019
Sex-linked questions
What do you know about the parents of a colorblind girl?
What do you know about the father of a hemophilia carrier?
Sex-linked Inheritance
Hemophilia
Pedigree
Colorblindness

6. 1/12/2019
Links
Sex-linked Inheritance quiz
Blue People of Kentucky

7. Beyond Mendel Multiple alleles Polygenic traits
1/12/2019
Beyond Mendel
Multiple alleles
More than 2 alleles for a trait
Rabbit coat color - 4 alleles
Human blood types - 3 alleles
Eye color - more than 2 alleles
Polygenic traits
Traits controlled by more than one gene
In humans most traits are polygenic

8. 1/12/2019
Blood Types
Pheno Geno Antibodies Antigens A B O AB

9. 1/12/2019

10. More about polygenic traits
1/12/2019
More about polygenic traits
Inheritance is complicated
Phenotypes vary greatly
Ex. Human skin color
Ex. Human height

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From:

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From:

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From:

14. Investigating Inherited Traits Lab
1/12/2019
Investigating Inherited Traits Lab
Work with a person of the opposite gender
Determine gender and traits using the coins
Draw your “child” and answer questions
Due next class period

15. Traits influenced by environment
1/12/2019
Traits influenced by environment
Traits determined by nutrition
Osteoporosis!
Studied by scientists using identical twins