Genes Flashcards

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1
Q

Define genes

A

A section of DNA that contains the instructions for the formation of a protein

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2
Q

Genes are a section of what that contain the instructions for the formation of a protein?

A

Genes are a section of DNA

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3
Q

Genes are a section of DNA that contain the instructions for what?

A

The formation of protein

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4
Q

What are many of the proteins produced by genes?

A

Enzymes

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5
Q

What produces enzymes?

A

Enzymes are produced by genes

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6
Q

What do enzymes control?

A

Enzymes control the activities of the cell

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7
Q

Why can it be said that chromosomes control the activities of the cell?

A

As chromosomes are protein and coiled threads of DNA which form genes which produce enzymes which control the activities of a cell

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8
Q

What is a genome?

A

All the genes in an organism

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9
Q

What do genes control in humans?

A

Genes control features

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10
Q

What human features are controlled by genes?

A
Eye colour
Production of skin pigment (melanin)
Number of fingers
The shape of the face 
25, 000 other features
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11
Q

Genes are said to be the units of what?

A

Inheritance

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12
Q

What are said to be the units of inheritance?

A

Genes

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13
Q

What 3 main plant features are controlled by genes?

A

Petal colour
Leaf shape
Fruit taste

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