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DNA and Protein Synthesis — Test Answers

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Which of these correctly organizes these genetic terms in order from smallest to largest?

A
nucleotide, gene, DNA molecule, chromosome
B
DNA molecule, nucleotide, gene, chromosome
C
chromosome, gene, nucleotide, DNA molecule
D
DNA molecule, nucleotide, chromosome, gene
23

How many genes make up the human genome?

A
four: adenine, thymine, guanine, and cytosine
B
20,000–25,000 genes
C
23 pairs of genes
D
3 billion genes
24

Which chromosomal change is represented?

A
deletion
B
inversion
C
insertion
D
nondisjunction
25

Which chromosomal change is represented?

A
inversion
B
deletion
C
insertion
D
translocation

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