Unit 3: Lesson 5 - DNA Mutations

Front

What is a DNA mutation?

Back

A DNA mutation is a change in the nucleotide sequence of an organism's DNA, which can affect the function of genes and proteins.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Front

What are the two main types of mutations?

Back

The two main types of mutations are point mutations and frameshift mutations.

Tags

NGSS.HS-LS3-2

Front

What is a point mutation?

Back

A point mutation is a change in a single nucleotide in the DNA sequence, which may or may not affect the resulting protein.

Tags

NGSS.HS-LS3-2

Front

What is a frameshift mutation?

Back

A frameshift mutation occurs when nucleotides are added or deleted from the DNA sequence, causing a shift in the reading frame of the codons.

Tags

NGSS.HS-LS3-2

Front

What is a positive mutation?

Back

A positive mutation is a change in the DNA sequence that results in a beneficial effect on the organism.

Tags

NGSS.HS-LS3-2

Front

What is a negative mutation?

Back

A negative mutation is a change in the DNA sequence that results in a harmful effect on the organism.

Tags

NGSS.HS-LS3-2

Front

What is the significance of the reading frame in DNA?

Back

The reading frame determines how the sequence of nucleotides is divided into codons, which are then translated into amino acids during protein synthesis.

Tags

NGSS.HS-LS1-1

Front

How can mutations affect protein synthesis?

Back

Mutations can alter the amino acid sequence of a protein, potentially changing its structure and function.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Front

What is a deletion mutation?

Back

A deletion mutation is a type of mutation where one or more nucleotides are removed from the DNA sequence.

Tags

NGSS.HS-LS3-2

Front

What is an insertion mutation?

Back

An insertion mutation is a type of mutation where one or more nucleotides are added to the DNA sequence.

Tags

NGSS.HS-LS3-2