Mutations and Evolution

What type of gene mutation results from the insertion or deletion of nucleotides and alters the entire amino acid sequence from that point forward?

• Frameshift
• Missense
• Nonsense
• Silent

Which term refers to an organism, usually a plant, having an extra copy of a complete set of chromosomes?

• Monosomy
• Polyploidy
• Trisomy
• Zygoploidy

Which of the following events causes a change in chromosome number?

• Duplication
• Mutogenesis
• Nondisjuction
• Parthenogenesis

What type of mutation results in a change in the nucleotide sequence of DNA or RNA?

• Chromosomal mutation
• Gene mutation
• Nondisjunction mutation

Tags

NGSS.HS-LS3-2

Replacing the amino acid serine with the amino acid glycine would be an example of which of the following mutations?

• Frameshift
• Missense
• Nonsense
• Silent

Tags

NGSS.HS-LS3-2

Which of the following mutations results in a non-functional protein because a stop codon appeared too early in the mRNA sequence?

• Frameshift
• Missense
• Nonsense
• Silent

Tags

NGSS.HS-LS3-2

Which of the following mutations results from one nucleotide being substituted for another?

• Deletion
• Frameshift
• Insertion
• Point

Tags

NGSS.HS-LS3-2

What is nondisjunction?

• The failure of chromosomes to separate.
• The separation of chromosomes during meiosis.
• The duplication of one segment of a chromosome.
• The deletion of one segment of a chromosome.

Which of the following correctly describes trisomy?

• Having one too few chromosomes
• Having one too many chromosomes
• Have an extra copy of an entire set of chromosomes
• Having an entire set of chromosomes deleted

In addition to Darwin, which scientists proposed that natural selection is the mechanism of evolution?

• Lamarck
• Lyell
• Malthus
• Wallace

Tags

NGSS.HS-LS4-4