1. Chapter 3.1
What is heredity?

2. What is trait?
TRAIT- is a physical characteristic of an organism (living thing). An example of a trait can be blue eyes, black hair, tall, curly hair, long nose or short nose.

3. Inherited Traits
Many times, children may look like your mother, father or a mixture of both your parents. During fertilization, male and female sex cells join together. Each of these will contribute to the future offspring.
Traits that are passed from parents to their offspring are called inherited traits.

4. Heredity
HEREDITY- means passing of traits from parents to offspring (children).

5. Offspring
OFFSPRING means babies or children.

6. Genetics
GENETICS is a study of genes and heredity.

7. Who is the father of genetics?
Gregor Mendel:
-born in 1822 in Czech Republic
-became a priest
-studied science and mathematics in University of Vienna
-worked in the monastery and its garden
-taught high school
-he studied peas to see the results of crosses between peas. He used true-breeding (pure) peas for his experiments.

8. Checking concepts: What are traits? Give examples.

9. How was your eye color determined?

10. What is the relationship between traits and genetics?

11. Why do brothers and sisters often have similar traits?

12. Who is the father of genetics? Why is he called the father of genetics?

13. Why do you think the study of genetics is important?

14. Checking concepts
The characteristics of an organism are called _____________.
An example of an inherited trait is __________.
Inherited traits are passed from ____________ to their offspring.
One of the first people to study inherited traits was _____________.
The field of biology that studies heredity is called ______________.