Genetics Vocabulary

Front

What is the basic unit of heredity that consists of a segment of DNA on a chromosome?

Back

Gene

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is the likelihood or chance that a specific outcome will occur out of a total number of outcomes?

Back

Probability

Tags

NGSS.HS-LS3-3

Front

What is a chart used to show all the ways genes from two parents can combine and be passed to offspring?

Back

Punnett Square

Tags

NGSS.HS-LS3-1

Front

What term describes an allele that is not expressed when combined with a dominant form of the allele?

Back

Recessive

Front

What is the genetic make-up of an organism; all the genes that an organism has?

Back

Genotype

Front

What is the observable physical or biochemical characteristics of an organism?

Back

Phenotype

Tags

NGSS.MS-LS4-2

Front

What is the term for an allele that is expressed in the phenotype even when only one copy is present?

Back

Dominant

Front

What is the process by which traits are passed from parents to offspring?

Back

Heredity

Tags

NGSS.HS-LS3-1

Front

What is the term for different forms of a gene?

Back

Alleles

Tags

NGSS.HS-LS3-2

Front

What is the term for a cross between two individuals that are heterozygous for a single trait?

Back

Monohybrid Cross