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Search Results for: genetic diversity

Genetic drift

Genetic Drift Definition What is genetic drift in simple terms? The simple definition of genetic drift ( also referred to... Read More

Genetic diversity

Definition noun Genetic diversity refers to both the vast numbers of different species as well as the diversity within a... Read More

Diversity

Definition noun, plural: diversities (biology) The degree of variation of living things present in a particular... Read More

Evolution

Reviewed by: Mary Anne Clark, PhD Evolution Definition Evolution (evo‧lu‧tion, ˈɛvəluːʃ(ə)n) is... Read More

Homologous chromosome

A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More

Natural selection

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

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Gene pool

Definition noun, plural: gene pools (population genetics) The total number of genes of every individual in an interbreeding... Read More

Genetic variability

Definition noun (1) The tendency of individual genetic characteristics in a population to vary from one another. (2) The... Read More

Population Growth and Survivorship

By: Maria Victoria Gonzaga Previously, we learned about biodiversity and endemism. Now, let's look at the... Read More

Genetics – Lesson Outline & Worksheets

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

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a mode of reproduction that does not... 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

Chromosomal crossover

Chromosomal Crossover Definition noun A process occurring during meiosis wherein homologous chromosomes pair up and... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Biodiversity

Biodiversity Lead Author: J. Emmett DuffyThis article has been reviewed and approved by the following Topic Editor: John... Read More

Arthropod

Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

Fragmentation

Fragmentation Definition What is fragmentation? In general, fragmentation refers to the state or the process of breaking... Read More

A Look Into Natural Selection and its Mechanisms

Charles Darwin is credited with outlining the fundamentals of evolution. He was a smart and eager pupil and protégé,... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More

Purebred

Definition noun, plural: purebreds An animal that is of pure breed, i.e. whose ancestors on both sides have been members of... Read More

Heredity

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

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number 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

No Chokky for Your Kids? – Why You Should Care About Biodiversity

No Chokky for Your Kids? - Why You Should Care About Biodiversity Imagine a world without chocolate. It could happen. It's... Read More

Inbreeding

Definition noun A mode of breeding involving two genetically- or consanguineously- related individuals or... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Takahē (Porphyrio hochstetteri)

By: Maria Victoria Gonzaga Previously, we've seen the different animals endemic to New Zealand. Due to the... Read More

Inbreeding depression

Definition noun, plural: inbreeding depressions The loss of vigour or the reduced biological fitness in a particular... Read More

Ecological Research: Measuring & Analysis

By: Maria Victoria Gonzaga Previously in this lesson, we learned that high biodiversity is essential to a healthy... Read More

Indicator Species and Endangered Species

Indicator Species Certain species are capable of expressing characteristics that can indicate the state of the ecosystem... Read More