Genetics Vocabulary

heterozygous

• the scientific study of heredity

• the children of an organism

• having two different alleles for a trait

• having two identical alleles for a trait

homozygous

• having 2 different alleles for a trait

• characteristic that an organism can pass onto its offspring

• having two identical alleles for a trait

• the study of heredity

DNA

• having two different alleles for a trait

• the scientific study of heredity

• a parents child or offspring

• deoxyribonucleic acid; the genetic material that carries information about an organism passed from parent to offspring

dominant

• an allele that is masked when a dominant allele is present

• the set of information that controls a trait

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

• when characteristics are passed from parent to offspring

recessive

• an allele that is masked when a dominant allele is present

• the set of information that controls a trait

• the different forms of a gene

• when characteristics are passed from parent to offspring

gene

• an allele whose trait always shows up

• the different forms of a gene

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

• when characteristics are passed from parent to offspring

Offspring

• made of DNA and carry genetic information

• the passing of traits from parent to offspring

• a parent's child or children

• an organism's genetic makeup

Genotype

• an organism's physical appearance

• an organism's genetic makeup or allele combination

Phenotype

• an organism's physical appearance

• an organism's genetic makeup or allele combination

The genetic makeup of a trait. For example: Tt or TT (T = tall height)

• Genetics
• Genotype
• Chromosome
•  Eye color