who is gregor mendel? which branch of science studies ... · •who is gregor mendel? •which...
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Bell Work• Who is Gregor Mendel?
• Which branch of science studies heredity?
• What is a gene?
Tuesday, January 15, 2013
Bell Work• Who is Gregor Mendel?
• Which branch of science studies heredity?
• What is a gene?
scientist who first described patterns of inheritance
Tuesday, January 15, 2013
Bell Work• Who is Gregor Mendel?
• Which branch of science studies heredity?
• What is a gene?
scientist who first described patterns of inheritance
genetics
Tuesday, January 15, 2013
Bell Work• Who is Gregor Mendel?
• Which branch of science studies heredity?
• What is a gene?
scientist who first described patterns of inheritance
genetics
a piece of DNA that gives information about a trait
Tuesday, January 15, 2013
Answer the following: Why do children look like their parents?
Tuesday, January 15, 2013
Gregor Mendel
Tuesday, January 15, 2013
Gregor Mendel• Austrian monk who
studied garden peas
Tuesday, January 15, 2013
Gregor Mendel• Austrian monk who
studied garden peas
• Noticed certain patterns as he observed each generation
Tuesday, January 15, 2013
Gregor Mendel• Austrian monk who
studied garden peas
• Noticed certain patterns as he observed each generation
• Began experimenting by carefully crossbreeding
Tuesday, January 15, 2013
Mendel Studied Seven Traits
Tuesday, January 15, 2013
Mendel Studied Seven Traits
Tuesday, January 15, 2013
Mendel Studied Seven Traits1. Height
• Tall/Dwarf
Tuesday, January 15, 2013
Mendel Studied Seven Traits1. Height
• Tall/Dwarf
Tuesday, January 15, 2013
Mendel Studied Seven Traits1. Height
• Tall/Dwarf
2. Flower Color
• Purple/White
Tuesday, January 15, 2013
Mendel Studied Seven Traits1. Height
• Tall/Dwarf
2. Flower Color
• Purple/White
Tuesday, January 15, 2013
Mendel Studied Seven Traits1. Height
• Tall/Dwarf
2. Flower Color
• Purple/White
3. Flower Position
• Axial/Terminal
Tuesday, January 15, 2013
Mendel Studied Seven Traits
Tuesday, January 15, 2013
Mendel Studied Seven Traits
Tuesday, January 15, 2013
Mendel Studied Seven Traits4. Seed Color
• Yellow/Green
Tuesday, January 15, 2013
Mendel Studied Seven Traits4. Seed Color
• Yellow/Green
Tuesday, January 15, 2013
Mendel Studied Seven Traits4. Seed Color
• Yellow/Green
5. Seed Shape
• Round/Wrinkled
Tuesday, January 15, 2013
Mendel Studied Seven Traits4. Seed Color
• Yellow/Green
5. Seed Shape
• Round/Wrinkled
Tuesday, January 15, 2013
Mendel Studied Seven Traits4. Seed Color
• Yellow/Green
5. Seed Shape
• Round/Wrinkled
6. Pod Color
• Green/Yellow
Tuesday, January 15, 2013
Mendel Studied Seven Traits4. Seed Color
• Yellow/Green
5. Seed Shape
• Round/Wrinkled
6. Pod Color
• Green/Yellow
Tuesday, January 15, 2013
Mendel Studied Seven Traits4. Seed Color
• Yellow/Green
5. Seed Shape
• Round/Wrinkled
6. Pod Color
• Green/Yellow
7. Pod Shape
• Inflated/Constricted
Tuesday, January 15, 2013
How Mendel Discovered Heredity
Tuesday, January 15, 2013
How Mendel Discovered Heredity• Chose a trait to examine
Tuesday, January 15, 2013
How Mendel Discovered Heredity• Chose a trait to examine
• Cross-pollinated members of the Parent (P)Generation.
Tuesday, January 15, 2013
How Mendel Discovered Heredity• Chose a trait to examine
• Cross-pollinated members of the Parent (P)Generation.
• Counted the results in First Filial (F1)
Generation
Tuesday, January 15, 2013
How Mendel Discovered Heredity• Chose a trait to examine
• Cross-pollinated members of the Parent (P)Generation.
• Counted the results in First Filial (F1)
Generation
• Cross-pollinated members of the F1 Generation
Tuesday, January 15, 2013
How Mendel Discovered Heredity• Chose a trait to examine
• Cross-pollinated members of the Parent (P)Generation.
• Counted the results in First Filial (F1)
Generation
• Cross-pollinated members of the F1 Generation
• Counted the results in the Second Filial (F2) Generation
Tuesday, January 15, 2013
How Mendel Discovered Heredity
Tuesday, January 15, 2013
How Mendel Discovered Heredity
Tuesday, January 15, 2013
What Mendel Concluded
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
• Ex. heterozygous tall x heterozygous tall
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
• Ex. heterozygous tall x heterozygous tall
T t
T
t
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
• Ex. heterozygous tall x heterozygous tall
T t
T
t
TT
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
• Ex. heterozygous tall x heterozygous tall
T t
T
t
TT Tt
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
• Ex. heterozygous tall x heterozygous tall
T t
T
t
TT Tt
Tt
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
• Ex. heterozygous tall x heterozygous tall
T t
T
t
TT Tt
Tt tt
Tuesday, January 15, 2013
What Mendel Concluded• Traits are inherited from one’s parents
• Traits follow specific laws as they are passed, resulting in predictable ratios
• Ex. heterozygous tall x heterozygous tall
T t
T
t
TT Tt
Tt tt
75% Tall25% Short
Tuesday, January 15, 2013
Extra! Extra! Read all about it!
Tuesday, January 15, 2013
Extra! Extra! Read all about it!A newspaper article is a published text used to convey
information. Articles should be concise, unbiased, & interesting.
Tuesday, January 15, 2013
Extra! Extra! Read all about it!A newspaper article is a published text used to convey
information. Articles should be concise, unbiased, & interesting.
Directions: Write a newspaper article announcing that Gregor Mendel discovered the methods and mathematics of inheritance.
Your article must include:
• A brief biography of Mendel
• A description of the work performed
• A summary of the conclusions
Tuesday, January 15, 2013