Vocabulary Quiz 1

Allele

• the study of how traits are passed down

• different forms of a gene

• a section on a chromosome

• a genetic factor blocked by a dominant factor

genetics

• an expressed trait

• the study of plants

• the study of people

• the study of how traits are passed from parents to offspring

gene

• a section on a chromosome that has genetic information for one trait

• a different form of a dominant trait

• when two alleles are the same

• creates energy for the cell

homozygous

• When the two alleles of a genotype are the same

• When the two alleles of a genotype are different

heterozygous

• When the two alleles of a gene are the same

• When the two alleles of a gene are different

phenotype

• The two alleles that control the trait

• A type of genetic modification

• How a trait is physically expressed

• A disease that causes cancer

heredity

• the study of how traits are passed from parents to offspring

• hearing ability

• when one trait is expressed

• the passing of traits from parents to offspring

dominant trait

• a trait passed down by your father

• a genetic factor that blocks another genetic factor

• a genetic factor that is blocked by another factor

• a trait passed down by your mother

recessive trait

• a trait passed down by your father

• a genetic factor that blocks another genetic factor

• a genetic factor that is blocked by the presence of another factor

• a trait passed down by your mother

genotype

• the two alleles that control the phenotype of a trait

• the physical expression of the gene

• when two alleles of a gene are the same

• the study of genes