Law of Segregation.

1. Mendel´s Laws of
Heredity
Minerva Franco
March 4th, 2013

2. Relate Mendel´s laws to the results he
obtained in his experiments with garden
peas.
Predict the possible offspring of a genetic
cross by using a Punnett square.
OBJECTIVES

3. Gregor Mendel
Important studies of HEREDITY

4.  Thepassing on of
characteristics from
parents to offspring
 Genetics is the study of
heredity

5. They reproduce sexually
Pod color
CELLS
“GAMETES”
Seed Color
Plant Height Green
Yellow
Green Yellow Seed Shape
Male Female
Tall Short Pod Shape
CELLS Wrinkled Round
“ZYGOTE”
Smooth Pinched

6. Tall / Short
Hybrid: Offspring of
parents that have
different forms of trait

7. Plant
Height
P
Tall Short
F1
Tt Tt Tt Tt
F2
TT Tt Tt

8. T t
T
TT Tt
t
Tt tt
PHENOTYPE GENOTYPE
(lookes /behaves) (allele
combination)

9. Questions…
 What did Mendel cross?
 What are traits?
 What are gametes?
 What is fertilization?
 What is heredity?
 What is genetics?

10. Conclusions
 What are alleles?
 What is the phenotype?
 What is the genotype?
 What is homozygous?
 What is heterozygous?
 The Law of segregation
says…

11. Suggested Video from YOUTUBE
https://www.youtube.com/watch?v=lG6dMKteSzk
MENDEL'S LAW OF
DOMINANCE (SHANNON)