Heredity

Front

What does the term 'heterozygous' mean?

Back

It refers to having two different alleles for a particular gene.

Front

Why are pea plants commonly used in genetic studies?

Back

Pea plants grow quickly and have easily observable traits.

Front

What is the study of how traits are passed on from parents to offspring called?

Back

Genetics.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What tool is used to predict the possible genotypes of offspring from certain parents?

Back

Punnett Square.

Front

What term describes the genetic makeup of an organism?

Back

Genotype.

Front

What is the difference between genotype and phenotype?

Back

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

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Tags

NGSS.HS-LS3-1

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.

Front

What is the purpose of a Punnett Square?

Back

To visualize the possible genetic combinations from a genetic cross.

Front

What is the principle of segregation?

Back

The principle stating that during the formation of gametes, the two alleles for a trait separate from each other.