Genetics Vocabulary

Front

What is a genotype?

Back

The genetic code for a trait.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is a phenotype?

Back

Physical appearance of a trait.

Front

What does homozygous mean?

Back

Having two identical alleles for a trait (e.g., TT or tt).

Front

What does heterozygous mean?

Back

Having two different alleles for a trait (e.g., Tt).

Front

What is a purebred organism?

Back

An organism that has two identical alleles for a trait.

Front

What is a recessive allele?

Back

An allele that is masked by the presence of a dominant allele.

Front

What is a dominant allele?

Back

An allele that can mask the effect of a recessive allele.

Front

What is an allele?

Back

A variant form of a gene.

Front

What is a trait?

Back

A characteristic or feature of an organism, often determined by genetics.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is the purpose of a Punnett square?

Back

To predict the genetic outcomes of a cross between two organisms.