Genetics Vocabulary

Front

allele

Back

the different forms of a gene

Tags

NGSS.HS-LS3-2

Front

dominant

Back

an allele whose trait always shows up in the organism when the allele is present

Front

Purebred

Back

the offspring of many generations that have the same traits

Tags

NGSS.HS-LS3-1

Front

Chromosome

Back

made of DNA and carry genetic information

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

gene

Back

the set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

recessive

Back

an allele that is masked when the dominant allele is present

Front

genotype

Back

an organism's genetic makeup or allele combination

Tags

NGSS.HS-LS3-2

Front

phenotype

Back

an organism's physical appearance or visible traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

heterozygous

Back

having two different alleles for a trait

Front

homozygous

Back

having two identical alleles for a trait