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15 Questions

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Human Genome Code Analysis

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Questions and Answers

What percentage of the human genome is made up of introns?

15%

25%

20% (correct)

Which term refers to sequences of DNA that can move throughout the genome?

Promoters

Transposable elements (correct)

Repetitive DNA

Exons

What is the function of promoters in DNA?

Account for 15% of the genome

Move throughout the genome

Code for proteins

Begin gene transcription (correct)

What do pseudogenes represent in the human genome?

Inactive DNA segments without function Signup and view all the answers

Approximately how much of the human genome is made up of unique noncoding DNA?

15% Signup and view all the answers

What accounts for about 58% of the human genome according to the text?

Transposable elements Signup and view all the answers

Which type of DNA is likely a result of mistakes during DNA replication or recombination?

Repetitive DNA not related to transposable elements Signup and view all the answers

What percentage of the human genome is made up of regulatory sequences like promoters?

~5% Signup and view all the answers

What is the main difference between exons and introns?

Exons are expressed regions, while introns are intervening sequences. Signup and view all the answers

How are exons and introns arranged in a DNA sequence?

Introns are found between exons in a DNA sequence. Signup and view all the answers

What do exons encode for in the human genome?

Polypeptides Signup and view all the answers

Which of the following best describes the role of introns in gene expression?

Introns intervene in the process of gene expression. Signup and view all the answers

Why are exons considered crucial in genetic information processing?

Exon sequences determine the amino acid sequence of a protein. Signup and view all the answers

Which term best describes introns in relation to protein synthesis?

Intervening sequences Signup and view all the answers

What effect would it have if exons were removed from a DNA sequence?

'Silent' mutations could occur. Signup and view all the answers