Understanding Genetics and Heredity

What is the basic unit of heredity that is passed from parents to offspring?

• Chromosome

• Gene

• DNA

• Protein

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is a structure that contains genetic information in the form of DNA?

• Cell membrane

• Ribosome

• Chromosome

• Mitochondria

Tags

NGSS.HS-LS3-1

What is the term for the physical appearance or visible traits of an organism?

• Genotype

• Phenotype

• Allele

• Trait

Which of the following is a segment of DNA that codes for a specific protein or function?

• Chromosome

• Gene

• Nucleotide

• Enzyme

Tags

NGSS.HS-LS1-1

What is the process by which organisms pass on genetic information to their offspring?

• Evolution

• Heredity

• Mutation

• Adaptation

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following best describes an allele?

• A type of cell

• A variant form of a gene

• A protein molecule

• A type of chromosome

What is the term for the genetic makeup of an organism?

• Phenotype

• Genotype

• Allele

• Trait

What is the role of DNA in genetics?

• To provide energy for cells

• To store genetic information

• To transport nutrients

• To protect the cell

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is an example of a homozygous genotype?

• Aa

• BB

• Ab

• Ba

What is the term for a change in the DNA sequence of a gene?

• Mutation

• Adaptation

• Evolution

• Selection

Tags

NGSS.HS-LS3-2