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?
•scientist
who first described patterns of inheritance
• Which branch of science studies heredity?
• What is a gene?
Tuesday, January 15, 2013
Bell Work
Who is Gregor Mendel?
•scientist
who first described patterns of inheritance
studies heredity?
• Which branch of science
genetics
• What is a gene?
Tuesday, January 15, 2013
Bell Work
Who is Gregor Mendel?
•scientist
who first described patterns of inheritance
studies heredity?
• Which branch of science
genetics
What is a gene?
•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 Traits
1. Height
•
Tall/Dwarf
Tuesday, January 15, 2013
Mendel Studied Seven Traits
1. Height
•
Tall/Dwarf
Tuesday, January 15, 2013
Mendel Studied Seven Traits
1. Height
•
Tall/Dwarf
2. Flower Color
•
Purple/White
Tuesday, January 15, 2013
Mendel Studied Seven Traits
1. Height
•
Tall/Dwarf
2. Flower Color
•
Purple/White
Tuesday, January 15, 2013
Mendel Studied Seven Traits
1. Height
•
Tall/Dwarf
2. Flower Color
•
Purple/White
Tuesday, January 15, 2013
3. Flower Position
•
Axial/Terminal
Mendel Studied Seven Traits
Tuesday, January 15, 2013
Mendel Studied Seven Traits
Tuesday, January 15, 2013
Mendel Studied Seven Traits
4. Seed Color
•
Yellow/Green
Tuesday, January 15, 2013
Mendel Studied Seven Traits
4. Seed Color
•
Yellow/Green
Tuesday, January 15, 2013
Mendel Studied Seven Traits
4. Seed Color
•
Yellow/Green
5. Seed Shape
•
Round/Wrinkled
Tuesday, January 15, 2013
Mendel Studied Seven Traits
4. Seed Color
•
Yellow/Green
5. Seed Shape
•
Round/Wrinkled
Tuesday, January 15, 2013
Mendel Studied Seven Traits
4. Seed Color
•
Yellow/Green
5. Seed Shape
•
Round/Wrinkled
Tuesday, January 15, 2013
6. Pod Color
•
Green/Yellow
Mendel Studied Seven Traits
4. Seed Color
•
Yellow/Green
5. Seed Shape
•
Round/Wrinkled
Tuesday, January 15, 2013
6. Pod Color
•
Green/Yellow
Mendel Studied Seven Traits
4. Seed Color
•
Yellow/Green
5. Seed Shape
•
Round/Wrinkled
Tuesday, January 15, 2013
6. Pod Color
•
Green/Yellow
7. Pod Shape
•
Inflated/Constricted
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 (F )
Generation
Tuesday, January 15, 2013
1
How Mendel Discovered Heredity
• Chose a trait to examine
• Cross-pollinated members of the Parent (P)
Generation.
• Counted the results in First Filial (F )
Generation
• Cross-pollinated members of the F
Tuesday, January 15, 2013
1
1
Generation
How Mendel Discovered Heredity
• Chose a trait to examine
• Cross-pollinated members of the Parent (P)
Generation.
• Counted the results in First Filial (F )
Generation
1
• Cross-pollinated members of the F Generation
• Counted the results in the Second Filial (F )
1
Generation
Tuesday, January 15, 2013
2
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
Tuesday, January 15, 2013
t
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
Tuesday, January 15, 2013
TT
t
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
Tuesday, January 15, 2013
T
t
TT
Tt
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
T
t
T
TT
Tt
t
Tt
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
T
t
T
TT
Tt
t
Tt
tt
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
Tuesday, January 15, 2013
t
T
TT
Tt
t
Tt
tt
75% Tall
25% Short
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