Search Results for: deleterious
Inbreeding
Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... Read More
Nonsense mutation
A nonsense mutation is the type of point mutation that renders the translation process useless by coding for a stop/nonsense... Read More
Frameshift mutation
Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... Read More
Chromosomes X and Y and Sex Determination
Reviewed by: Mary Anne Clark, Ph.D. In humans, the normal chromosome complement is 46, consisting of 22 pairs of... Read More
Genetics and Evolution
Tutorials in Genetics and Evolution immerse on the molecular aspects and the works of nature that led to what every living... Read More
Overdominance
Definition noun (genetics) A type of dominance characterized by a phenotype that is more pronounced in a heterozygote... Read More
Glycocalyx
What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More
Reduced penetrance
Definition noun A form of penetrance below 100%, in which not all individuals carrying a deleterious gene express the... Read More
Incomplete penetrance
Definition noun A form of penetrance in which not all individuals carrying a deleterious gene express the associated trait... Read More
Complete penetrance
Definition noun A form of penetrance where a deleterious or disease-causing gene is expressed in all individuals carrying... Read More
Genetic variability
Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More
Tissue weighting factor
tissue weighting factor In radiation protection, a factor weighting the equivalent dose in a particular tissue or organ in... Read More
Allotetraploid
Allotetraploid Definition An allotetraploid is an organism with four sets of chromosomes (4n). This is in contrast to the... Read More
Penetrance
Definition noun (genetics) The frequency or rate of occurrence, typically in percentage, of a particular trait or condition... Read More
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More
Genetic Mutations
Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... Read More