Genetic

Recessive Allele Definition A recessive allele is a variety of genetic code that does not create a phenotype if a dominant allele is present. In …

Read moreRecessive Allele: Definition and Example

Phenotype Definition A phenotype is the physical expression of DNA. In contrast, the genotype is the chemical makeup of DNA that causes a particular phenotype. …

Read morePhenotype: Definition and Examples

Multiple Alleles Definition Multiple alleles exist in a population when there are many variations of a gene present. In organisms with two copies of every …

Read moreMultiple Alleles: Definition and Example

Law of Segregation Definition Gregor Mendel’s law of segregation states that the two alleles for each trait segregate, or separate, during the formation of gametes, …

Read moreLaw of Segregation

Independent Assortment Definition Independent assortment is a genetic term that refers to the variation of chromosomes, or genetic information, during sex cell division. This variation …

Read moreIndependent Assortment: Definition, Principle & Example

Homologous Chromosomes Definition Homologous chromosomes are two pieces of DNA within a diploid organism which carry the same genes, one from each parental source. In …

Read moreHomologous Chromosomes: Definition, Function & Example

Heredity Definition Heredity is the passing of traits from parent to offspring. Molecules of DNA carry information that codes for various proteins. These proteins interact …

Read moreHeredity: Definition and Example

Genotype Definition The genotype of an organism is the chemical composition of its DNA, which gives rise to the phenotype, or observable traits of an …

Read moreGenotype: Definition and Example