Recessive Allele: Definition and Example
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 …
Genetic
Phenotype: Definition and Examples
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. …
Multiple Alleles: Definition and Example
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 …
What is Law of Segregation?
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, …
Independent Assortment: Definition, Principle & Example
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 …
Homologous Chromosomes: Definition, Function & 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 …
Heredity: Definition and 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 …
Haploid: Definition and Example
Haploid Definition Haploid is the condition of a cell having a one set of chromosomes. Ploidy refers to the number of copies of the genome. …
Genotype: 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 …
Genetic Recombination: Definition and Example
Genetic Recombination Definition Genetic recombination occurs when genetic material is exchanged between two different chromosomes or between different regions within the same chromosome. We can …