Genes Flashcards
Define genes
A section of DNA that contains the instructions for the formation of a protein
Genes are a section of what that contain the instructions for the formation of a protein?
Genes are a section of DNA
Genes are a section of DNA that contain the instructions for what?
The formation of protein
What are many of the proteins produced by genes?
Enzymes
What produces enzymes?
Enzymes are produced by genes
What do enzymes control?
Enzymes control the activities of the cell
Why can it be said that chromosomes control the activities of the cell?
As chromosomes are protein and coiled threads of DNA which form genes which produce enzymes which control the activities of a cell
What is a genome?
All the genes in an organism
What do genes control in humans?
Genes control features
What human features are controlled by genes?
Eye colour Production of skin pigment (melanin) Number of fingers The shape of the face 25, 000 other features
Genes are said to be the units of what?
Inheritance
What are said to be the units of inheritance?
Genes
What 3 main plant features are controlled by genes?
Petal colour
Leaf shape
Fruit taste