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B1 You and your Genes (Same and Different (Genes (Most of out genes are…
B1
You and your Genes
Same and Different
Genes
Most of out genes are inherited by our parents
Inside every nuclei in our body there are long threads called chromosomes
Each chromosome contains thousands of genes
Chromosomes are made of very long molecules of Deoxyribonucleic Acid
A gene is a section of a DNA molecule
Genes are instructions to create protein
Structural protein
Build the body
Collagen
Protein in tendons
Functional Protein
takes part in chemical reactions
Enzymes
Genes controls which protein a cell makes
The environment can also affect your genes
Twins and the Environment
Identical twins
formed when a fertilized eggs starts to divide
Each baby has the same genetic information
Most of identical twins are brought up in the same environment
Cloning
Clones are genetically identical organisim
Plant Clones are common
Cloned artificially
Cutting off a piece of an adult plant
Forms new roots and stems to become a small plant
Cloned Naturally
What makes you the way you are?
Inherited diseases
Huntington's
Symptons
Problem controlling their muscles
Forgetful
Difficulty understanding and concentrating
Condition is fatal