78 results found

Search Results for: heredity

Heredity

Heredity Definition In biology, heredity refers to the passing of genetic factors from parents to offspring or from one... 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

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

Half blood

The term half blood is used to describe the relation between individuals that share descent from only one parent. In humans,... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... 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

Non-Mendelian inheritance

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

Genetics

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

Cytogenetics

Definition noun The branch of genetics that is concerned primarily in cellular components, especially chromosomes, in... 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

Independent Assortment

Independent Assortment Definition Independent assortment refers to the genes or alleles that sort into the newly formed... Read More

Mendel’s laws: definitions

Genetics - a branch of biology that deals with the study of heredity and variations Variations - differences amongst the... Read More

Law of Unit Characters

Definition noun (genetics) A Mendelian law which states that every genetic character of an organism is controlled by unit... Read More

Theory

Theory Definition In science, a theory is a scientific explanation of a phenomenon. By scientific, it means it is an... Read More

Law of Segregation

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

Mendelian inheritance

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

Mendel’s Law & Mendelian Genetics

Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial, Dominance, has described Gregor Mendel’s law of... Read More

Gregor Mendel

Definition noun Augustinian monk and botanist who formulated the laws of heredity based on his careful breeding... 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

Family traits

When one thinks of family, they often think of persons who are blood-related to each other as parents to their children and... Read More

Molecular genetics

Definition noun A branch of genetics that deal with the structure and function of genes at a molecular... Read More

Filial generation

Definition noun, plural: filial generations (genetics) Any generation resulting from a genetically controlled mating... Read More

Law of Dominance

Definition noun (genetics) Gregor Mendel's law stating that when two alleles of an inherited pair is heterozygous, then,... Read More

Pangenesis

Definition noun A hypothetical mechanism for heredity proposed by Charles Darwin in which it holds that gemmules are shed... 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

Law of Purity of Gametes

Definition noun (genetics) Gregor Mendel's law stating that the unit factors are brought together and paired during union or... Read More

Biochemical Genetics

Definition noun A branch of genetics at a biochemical level and in which the relationship of genes and their control over... 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

Chromosomal mutation

Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... 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

Imprinting

What does imprinting mean? Have you watched the TV cartoon show “Tom and Jerry” with an episode of a duck and its... Read More

Organization

Organization Definition The meaning of the term "organization" is very simple. It means the state wherein things are... Read More

Inbreeding

Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... 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

Nucleic acid

Nucleic Acid Definition A nucleic acid refers to any of the group of complex compounds consisting of chains of monomers of... Read More

Trinucleotide repeat disorder

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

Phenotypic ratio

Phenotypic Ratio Definition How would one define phenotypic ratio? The correlation between the amount of offspring that... Read More

Genetic disorder

Definition noun, plural: genetic disorders A disorder caused by genetic abnormality Supplement A genetic disorder is a... Read More

Particulate inheritance

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