Genetics and Heredity Quiz

When Aria and Noah have children, one of the genes they pass on can mask the effect of another gene. What is the term for a gene that does this?

• Recessive gene

• Heterozygote

• Dominant gene

• Mutation

Tags

NGSS.HS-LS3-1

Kai is studying genetics and learns that some organisms have two different alleles for a particular trait, such as having one allele for brown eyes and one for blue eyes. What term describes an organism like this?

• Homozygous

• Heterozygous

• Recessive

• Dominant

Ava was reading about how certain things like radiation or chemicals can cause changes in the DNA sequence of living things. What is the term for a change in the DNA sequence?

• Inherit

• Trait

• Mutation

• Variation

Tags

NGSS.HS-LS3-2

When Aria receives certain traits, such as eye color or hair type, from her parents, what is this process called?

• Mutation

• Inherit

• Variation

• Protein molecule

Tags

NGSS.HS-LS3-1

Olivia is learning about how the body works in her science class. She discovers that certain molecules in the body perform several functions, including acting as enzymes to speed up chemical reactions. What is the term for these molecules?

• Protein molecule

• Trait

• Variation

• Dominant gene

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Mason and Nora are learning about genetics. If Mason inherits one gene from each parent, but one of the genes is not expressed because the other gene is dominant, what term describes the gene that is not expressed?

• Dominant gene

• Recessive gene

• Heterozygous

• Mutation

Tags

NGSS.HS-LS3-1

Grace notices that she has the same eye color as her mother. What is the term for a characteristic that can be passed from parents to offspring?

• Trait

• Mutation

• Variation

• Protein molecule

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Olivia visits a butterfly garden and notices that butterflies of the same species have different colors and patterns on their wings. What term refers to the differences in physical traits among individuals of a species?

• Variation

• Inherit

• Mutation

• Dominant gene

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Rohan is studying genetics and learns that some organisms have two identical alleles for a particular trait, such as BB or bb. What term describes this genetic condition?

• dominant gene

• heterozygous

• homozygous

• recessive gene

Tags

NGSS.HS-LS3-1