Who is Gregor Mendel? Which branch of science studies ... · •Who is Gregor Mendel? •Which...
Transcript of Who is Gregor Mendel? Which branch of science studies ... · •Who is Gregor Mendel? •Which...
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
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 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 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• 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
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!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