139 results found

Search Results for: inheritance

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

Extranuclear inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... Read More

Non-Mendelian inheritance

Definition noun (genetics) A type of biological inheritance wherein the patterns of phenotypes do not accord with those as... Read More

Monogenic inheritance

Definition noun A form of inheritance that follows Mendel's Law of Heredity Supplement Monogenic inheritance refers to the... Read More

Extracellular inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... Read More

Y-linked inheritance

Definition noun (genetics) Inheritance for genes on the Y chromosome Supplement Sex chromosomes are not only relevant... Read More

Inheritance

Definition noun (1) The acquisition of traits genetically transmitted from parents to offspring (2) That which is inherited... Read More

X-linked inheritance

Definition noun (genetics) Inheritance for genes on the X chromosome Supplement Sex chromosomes are not only relevant for... Read More

Mitochondrial inheritance

Definition noun An inheritance pattern that results from the expression of mitochondrial DNA. Supplement This form of... Read More

Mendelian inheritance

Definition noun (genetics) A type of biological inheritance that conforms to the set of principles of Gregor Mendel... Read More

Law of Segregation

Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that was initially... Read More

Maternal inheritance

Definition noun A form of inheritance wherein the traits of the offspring are maternal in origin due to the expression... Read More

Paternal inheritance

Definition noun A form of inheritance wherein the traits of the offspring are paternal in origin due to the expression of... Read More

Heredity

Reviewed by: Mary Anne Clark, PhD Heredity Definition In biology, heredity refers to the passing of genetic... Read More

Codominance

Codominance Definition Codominance is a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully... Read More

Polygenic trait

Polygenic trait definition Polygenic trait refers to a trait that is controlled by multiple non-allelic genes. These genes... Read More

Particulate inheritance

Definition noun (genetics) A theory formulated by Gregor Mendel based on his garden pea breeding experiments wherein he... Read More

Uniparental inheritance

uniparental inheritance (Science: genetics) A type of inheritance in which the offspring of a mating has the phenotype... Read More

Genetics – Lesson Outline & Worksheets

  Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics - Definition:... Read More

Law of Independent Assortment

Law of Independent Assortment Definition The Mendelian inheritance principles are derived from and named after the monk,... Read More

Gene conversion

Definition noun A nonreciprocal gene transfer in which an allele converts the other allele into the same form as its self,... Read More

Infectious heredity

Definition noun A non-Mendelian inheritance in which an infectious particle within the cell of the host may bring changes in... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Mitochondrial DNA

Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More

Trinucleotide repeat disorder

Definition noun, plural: trinucleotide repeat disorders Any of a set of genetic disorders caused by trinucleotide repeats... Read More

Gene

A gene is the fundamental, physical, and functional unit of heredity. The genes make up the sequences of DNA (genotypes).... Read More

Mosaicism

Definition noun A condition wherein two or more cell populations with different genotypes exist in an organism, derived from... Read More

Genomic imprinting

Definition noun A phenomenon in which the phenotype of the offspring depends on the source of the chromosome containing the... Read More

Mitochondrial DNA not just from moms but also from dads?

If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More

Phenotype

Phenotype refers to the observable characteristics of an organism as a multifactorial consequence of genetic traits and... 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

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Genetics

Genetics Definition noun (1) The study of the patterns of inheritance of specific traits, relating to genes and genetic... Read More

Monogene

Definition noun, plural: monogenes (genetics) Single gene controlling the expression of a particular trait Supplement In... Read More

Law of Independent Assortment

Law of Independent Assortment Definition noun (genetics) Mendelian law stating that for every pair of unit factors, each... Read More

Chloroplast DNA

Definition noun plural: chloroplast DNAs DNA in the chloroplast that carries the code for proteins and RNAs essential to... Read More