Observe the pictures that follow: Days 3 & 4 HEREDITY Observe the pictures that follow: JOHN and SEAN http://www.foxnews.com/images/256459/0_64_lennon_john06.jpg

Observe… PAUL and JAMES http://images.huffingtonpost.com/gen/3068/thumbs/s-JAMES-MCCARTNEY-large.jpg

Observe… MARTIN and Emilio http://www.davidstuff.com/opinion/dem-sheen.jpg

Observe… GABBY and KC http://shannen143.files.wordpress.com/2010/01/012410-gabbykc.jpg

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 _

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.

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

INHERITED CHARACTERISTICS Dimples Freckles

INHERITED CHARACTERISTICS Curly / Straight hair Hairline

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

INHERITED CHARACTERISTICS IN ANIMALS: skin color and fur type behavioral characteristic such as instinct (feeding, nest building and mating) http://www.hindu.com/2007/01/19/images/2007011902830201.jpg

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

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)

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.

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

FROM PARENTS TO YOUNG

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