Genetics Vocabulary Quiz

An organism with two of the same alleles for a trait

• Allele

• Heterozygous

• Homozygous

• Phenotype

A mistake the cell makes when copying DNA, which can be positive, negative, or neutral, is called?

• Phenotype

• Adaptation

• Mutation

• Allele

Tags

NGSS.HS-LS3-2

The information stored within a gene. This tells us about the trait, but we cannot physically see it

• Allele

• Heterozygous

• Genotype

• Mutation

Tags

NGSS.HS-LS1-1

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

• Homozygous

• Allele

• Gene

• Recessive Allele

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which type of allele is always expressed when present and is represented using capital letters?

• Allele

• Heterozygous

• Dominant allele

• Recessive allele

What term describes organisms with two different alleles for a trait?

• Homozygous

• Heterozygous

• Genotype

• Mutation

What is a mutation or variation that positively affects an organism and increases its chance of survival?

• Allele

• Heterozygous

• Dominant allele

• Adaptation

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

An allele that is not expressed when a dominant allele is present. These alleles are always represented with lowercase letters

• Allele

• Heterozygous

• Dominant allele

• Recessive allele

The physical presentation of a trait that we can see or observe

• Phenotype

• Mutation

• Genotype

• Allele

Tags

NGSS.HS-LS3-3

One of the “options” for a specific trait. (Ex.: if the trait is eye color, the options would be the letters representing blue or brown)

• Allele

• Mutation

• Phenotype

• Genotype