the human genome Flashcards

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1
Q

What is 75% of DNA composed of

A

extragenetic DNA

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2
Q

What percentage of genetic DNA is repetitive?

A

40%

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3
Q

What is a gene?

A

a length of DNA that codes for a specific protein

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4
Q

How many genes are there in humans

A

25,000

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5
Q

What is an exon?

A

contain the DNA sequence for the protein product of the gene

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