Genetics Vocabulary

What is the scientific study of heredity?

• Geneology

• Genetics

What is the passing of physical characteristics from parents to offspring?

• Heredity

• Genetics

What is cell reproduction when one body cell becomes two?

• mitosis

• meiosis

Two alleles/letters for one trait that are the same.

• Heterozygous/ hybrid

• Homozygous/ purebred

Produces four sex cells, sperm or egg that are used to pass a parent's traits to offspring.

• meiosis

• Mitosis

The physical appearance of a trait.

• Genotype

• Phenotype

Two alleles/ letters for one trait that are different.

• Homozygous/purebred

• Heterozygous/ hybrid

Combination of alleles.

• Genotype

• Phenotype

The trait that hides in the background. Lowercase letter. Only expressed in homozygous form.

• Recessive

• Dominant

The letters that represent the different forms of a gene.

• Traits

• Alleles