1. Observe the pictures that follow:
Days 3 & HEREDITY
Observe the pictures that follow:
JOHN and SEAN

2. Observe… PAUL and JAMES

3. Observe… MARTIN and Emilio

4. Observe…
GABBY and KC

5. RESEMBLING OUR PARENTS
Heredity - passing on of traits from one
generation to the next.
It is the reason why offspring look like their
parents.
It also explains why cats always give birth
to kittens and never puppies.
It occurs among all living things.
Genetics – study of heredity
Geneticist – scientist who study heredity _

6. RESEMBLING OUR PARENTS
We inherit from our parents some physical features that are easily visible.
Some characteristics UNIQUE to us:
- fingerprints
- voice
- patterns in the iris of our eyes
* These characteristics can be used to
identify people.

7. INHERITED CHARACTERISTICS
IN HUMAN BEINGS:
Detached &
Attached earlobes
Tongue Rolling ability

8. INHERITED CHARACTERISTICS
Dimples
Freckles

9. INHERITED CHARACTERISTICS
Curly / Straight hair
Hairline

10. INHERITED CHARACTERISTICS
Other inherited characteristics:
- hair texture eye color skin color height
Other characteristic not easily seen:
- blood type
- genetic diseases such as cancer, diabetes, food allergies

11. INHERITED CHARACTERISTICS
IN ANIMALS:
skin color and fur type
behavioral characteristic such as instinct (feeding, nest building and mating)

12. INHERITED CHARACTERISTICS
IN PLANTS:
color of fruits and flowers
shape of fruits and flowers
size of fruits and flowers
taste of the fruits
presence of seeds in the flowers
behavioral characteristic such as plant growth in the presence of light

13. NON-INHERITED CHARACTERISTICS
also called acquired traits
developed as a result of interaction with the environment
developed to be able to adapt to the environment
Examples are:
- politeness
- certain likes and dislikes
- changes in skin color (tanned skin)
- changes in height (exercise and body
supplement)

14. FROM PARENTS TO YOUNG
Genetic information of both parents is passed on to the young during sexual reproduction.
It carries the characteristics that we inherit from our parents.
This results to offspring that resembles both parents but
is not identical to either parent.

15. FROM PARENTS TO YOUNG
Chromosomes
- contain the genetic information of a person
- thread-like protein structures found in the nucleus of every cell in the body

16. FROM PARENTS TO YOUNG

17. FAMILY TREE
shows the links between parents, offspring, siblings and spouses in a family
shows only the members of the same family