Genetics Review

A variation of a gene that produces its characteristic phenotype only when its paired allele is identical

• Recessive allele

• Dominant allele

• Homozygous

• Heterozygous

deoxyribonucleic acid, a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live

• DNA

• Chromosome

• Genes

• Trait

describes an individual that has identical alleles for a trait

• Homozygous

• Heterozygous

• Dominant Allele

• Recessive Allele

a genetically determined characteristic

• Trait

• allele

• chromosome

• probability

the passing of genetic traits from parent to offspring

• Heredity

• Genetics

• Genes

• Genotype

one of the alternative forms of a gene that governs a characteristic

• Allele

• Genetics

• Heredity

• Punnett square

the entire genetic makeup of an organism; also the combination of genes for one or more specific traits

• Genotype

• Phenotype

• Chromosome

• Trait

in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA

• Chromosome

• Gene

• DNA

• Nucleus

a variation of a gene that will produce its characteristic phenotype, even in the presence of other alleles

• Dominant Allele

• Recessive Allele

• Heterozygous

• Genes

an organism's appearance or other detectable characteristic

• Phenotype

• Genotype

• Homozygous

• Heterozygous