DNA, mutations, traits

Front

What is a section of DNA that codes for a trait?

Back

A gene is a section of DNA that codes for a specific trait.

Tags

NGSS.HS-LS3-1

Front

Are mutations always harmful?

Back

False. Mutations can be neutral, beneficial, or harmful.

Tags

NGSS.HS-LS3-2

Front

Which of the following is not part of a chromosome: DNA, gene, cell, or nitrogen base?

Back

Cell is not part of a chromosome.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS3-2

Front

What is a mutation in a gene similar to?

Back

A misspelling a word in a sentence is like a mutation in a gene.

Tags

NGSS.HS-LS3-2

Front

Is neck length among members of the same tortoise species an example of a trait?

Back

True. Neck length is a trait.

Tags

NGSS.HS-LS4-3

Front

What is the basic unit of heredity in living organisms?

Back

A gene is the basic unit of heredity.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

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 the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Tags

NGSS.HS-LS1-1

Front

What is a chromosomal mutation?

Back

A chromosomal mutation involves changes in the structure or number of chromosomes.

Front

What role do nitrogen bases play in DNA?

Back

Nitrogen bases pair up to form the rungs of the DNA ladder, coding for genetic information.