Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for building a specific protein or set of proteins, which determine traits in an organism.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Front

What is heredity?

Back

Heredity is the passing of traits from parents to their offspring through genes.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is a dominant allele?

Back

A dominant allele is a version of a gene that is expressed in the phenotype even when only one copy is present.

Front

What is a recessive allele?

Back

A recessive allele is a version of a gene that is only expressed in the phenotype when two copies are present.

Front

What is a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

Front

What is a genotype?

Back

A genotype is the genetic constitution of an individual, specifically the alleles present for a particular gene.

Tags

NGSS.HS-LS3-2

Front

What is a Punnett square?

Back

A Punnett square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles from the parents.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous refers to having two identical alleles for a particular gene, while heterozygous refers to having two different alleles for that gene.

Front

What is an allele?

Back

An allele is a variant form of a gene that can produce different traits.

Tags

NGSS.HS-LS3-2

Front

What is a trait?

Back

A trait is a specific characteristic of an organism, such as eye color or height, that is influenced by genes.

Tags

NGSS.HS-LS3-1