112 results found

Search Results for: generations

Meiosis and Alternation of Generations

Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More

Natural selection

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

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More

Traits

Traits Definition "Trait" is a rather well-known word in the English language. What does trait mean? A trait is defined... Read More

Genetic drift

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

Darwinian fitness

Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More

Fitness

A competing variant's frequency is rising in relation to other competing variants in a population under the biological... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Non-sustainability

Non-Sustainability Definition Non-sustainability is the state in which human consumption or activities exceed the ability... 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

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Filial generation

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

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Inbreeding

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

Genetic equilibrium

Definition noun A condition where a gene pool is not changing in frequency because the evolutionary forces acting upon the... Read More

Phenotypic ratio

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

Sporophyte

Sporophyte Definition What is a sporophyte? Accordingly, the sporophyte is the plant generation that produces spores. To... Read More

Red algae

Red Algae Definition The red algae belong to the phylum Rhodophyta, which literally was derived from the Greek word... Read More

Gametophyte generation

Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with a spore up to the time that... Read More

Sporophyte generation

Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with the union of gametes up to... Read More

Generation

Generation 1. The act of generating or begetting; procreation, as of animals. 2. Origination by some process, mathematical,... Read More

Plant Biology

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles,... Read More

Genome

Genome Definition What is a genome? As defined in biology, a genome is a complete set of deoxyribonucleic acid (DNA) within... Read More

Biology

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

The Homo Species

Over the long term, it looked like Homo would supersede any ‘similar model’ of animals due to their unique tool using... Read More

Mātauranga Māori and Science

By: Maria Victoria Gonzaga In the previous lesson, we learned about the various methods used in measuring... Read More

Green algae

Green Algae Definition Green algae (singular: green alga) are photosynthetic algae that are characterized by having... Read More

SELFISH GENE – selfish to persist

What is a selfish gene? A selfish gene is not a gene that makes an individual selfish. In fact, it may even be involved in... Read More

True breeding

Definition noun A kind of breeding in which the parents with a particular phenotype produce offspring only with the same... Read More

Homozygous

Homozygous Definition Diploid organisms that have a genotype of identical alleles for a trait or phenotype at a specific... Read More

Inbred strain

Definition noun, plural: inbred strains A strain of animal or plant that has undergone an inbreeding strategy (e.g. brother... Read More

Bryophytes

Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More

Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Trinucleotide repeat disorder

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

IQ, Creativity and Learning

Evolution of Human Intelligence Humans, as evolved as we are, are the species most capable of exhibiting intelligence and... Read More

Apomixis

Apomixis Definition Just like any other organism, the process of reproduction is pivotal to the life cycle of plants. There... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Y chromosome

Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More

Haploid

In biology, haploid pertains to a condition, a cell, or an organism that has half of the usual complete set of chromosomes... Read More

Species

Every living organism is unique when you observe its morphological, anatomical, molecular, genetic, biochemical, chemical,... Read More