43 results found

Search Results for: all species are haploid!

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

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

Vascular plants

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

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Plant

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

Angiosperm

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

Dinoflagellate

A dinoflagellate is a flagellate algae characterized by their two flagella of unequal length. One of the flagella is lying... Read More

Chlorophyta

Chlorophyta is a taxonomic group (a phylum) comprised of green algae that live in marine habitats. Some of them are found in... Read More

Dihaploid

Definition noun A haploid cell having two copies of the set of chromosomes adjective Of or pertaining to a cell or organism... Read More

Asexual reproduction

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

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with the nucleus. However, they are... Read More

Algae

Algae are photosynthetic organisms that possess photosynthetic pigments such as chlorophyll. However, they lack true roots,... Read More

Green algae

Green algae (singular: green alga) are photosynthetic algae that are characterized by having chlorophylls a and b as the... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Spermiogenesis

Spermiogenesis definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... 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

Haplodiploidy

Definition noun A biological system of sex determination as observed in the Hymenopteran species (e.g. ants and bees) where... Read More

Fragmentation

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

Perfect fungi

Definition noun A group of fungi that reproduce through asexual spores and sexually-produced spores Supplement Fungi are... Read More

Eukaryote

Eukaryote refers to any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound... Read More

Spermatogenesis

Spermatogenesis is the biological process of producing mature sperm cells, and occurs in the male gonad of a sexually... Read More

Monoploid

Definition noun (genetics, cell biology) A cell or an organism consisting of one set of chromosomes adjective Of, or... Read More

Automixis

Definition noun (botany) Self-fertilization; a mode of fertilization where fertilization takes place on the flower itself,... Read More

Euploidy

Definition noun (genetics) The chromosomal variation in the normal complete set of chromosomes in a cell or an organism... Read More

Autopolyploidy

Definition noun (genetics) A type of euploidy wherein the additional set of chromosomes is derived from a parent or... Read More

Polypoid

Definition noun (genetics) A cell or an organism containing more than two sets of homologous... Read More

Kelp

The swaying and winding of kelp in the ocean currents has an entrancing, hypnotic quality that would be the envy of the... Read More

Honeybee

Honey Bee Definition A honey bee is a type of bee known for collecting honey and living in communities. The true honey bees... Read More

Aneuploidy

Definition noun (genetics) The chromosomal variation due to a loss or a gain of one or more chromosomes resulting in the... Read More

Telophase I

Definition noun The stage in the first meiotic division after anaphase I, and identified by the complete movement and... Read More

Arrhenotoky

Definition noun A form of parthenogenesis wherein male offspring develops from an unfertilized... Read More

Heteroploid

(genetics) an organism or cell having a chromosome Number that is not an even multiple of the haploid chromosome Number for... 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

Reproduction

Definition noun The production of offspring by organized bodies verb: reproduce To produce again; to... Read More