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