Lesson 12 Flashcards

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1
Q

Unit of heredity and composed of DNA and RNA

A

Genes

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2
Q

How many pair of cells does a human have

A

46

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3
Q

Nucleotides

A

Adenine, guanine, cytosine, thymine, uracil

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4
Q

The alteration in the DNA sequence

A

Mutation

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5
Q

Modication of an organism’s genetic composition

A

Genetic engineering

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