81 results found

Search Results for: union

Union

union 1. The joining or amalgamation of two or more bodies. 2. The structural adhesion or growing together of the edges of a... 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

Zygote

Zygote Definition What is a zygote? A zygote is a fertilized eukaryotic cell. In biology, medical science, and other allied... Read More

Asexual reproduction

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

Plant

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

Parental chromosomes are together but still apart at first mitosis

A recent finding by a team of researchers from European Molecular Biology Laboratory on the parental chromosomes during the... 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

Fertilization

Definition noun, plural: fertilizations (biology) (1) A process in sexual reproduction that involves the union of male... Read More

Fork

Fork 1. An instrument consisting consisting of a handle with a shank terminating in two or more prongs or tines, which are... 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

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

Diphthong

Diphthong Origin: L. Diphthongus, gr.; = twice - voice, sound, fr. To utter a sound: cf. F. Diphthongue a coalition or union... Read More

Red algae

The red algae belong to the phylum Rhodophyta which literally was derived from the Greek word ῥόδον (rhodon), meaning... Read More

Conjugation

Definition noun, plural: conjugations (biology) (1) The process whereby two ciliates come together in a temporary fusion to... 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

Critically endangered species

Definition noun Any species that has an extremely high risk of extinction in the immediate future (as categorized by the... Read More

Marriage

Marriage 1. The act of marrying, or the state of being married; legal union of a man and a woman for life, as husband and... Read More

Endangered species

Definition noun Any species that is highly likely to become extinct in the near future (as categorized by the International... Read More

Meeting

meeting 1. A coming together; an assembling; as, the meeting of Congress. 2. A junction, crossing, or union; as, the meeting... Read More

Graft

Definition noun, plural: grafts (botany) A shoot, bud, or scion of one plant that is inserted to another plant that would... Read More

Animal

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

Amphimixis

Definition noun, plural: amphimixes The union or the fusion of the male and the female gametes during sexual... Read More

Axial angle

Axial angle An angle formed by two surfaces of a body, the line of union of which is parallel with its axis; the axial... Read More

Homozygote

Definition noun, plural: homozygotes A nucleus, cell or organism where the alleles for a particular gene on each chromosome... Read More

Premaxillary suture

premaxillary suture --> incisive suture line of union of the two portions of the maxilla (pre-and postmaxilla); it is... Read More

Polyploid

Definition noun, plural: polyploids A cell or an organism having a genome with multiple (more than two) sets of homologous... 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

Fruit

Definition noun, plural: fruits (1) (botany) The seed-bearing structure in angiosperms formed from the ovary after... Read More

Protist

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

Peg-and-socket joint

peg-and-socket joint --> gomphosis (Science: anatomy) A form of union or immovable articulation where a hard part is... Read More

Haploidy

Definition noun (genetics) The state of being haploid, that is having half of the set of homologous chromosomes in somatic... Read More

Northern Africa and biodiversity

Northern Africa and biodiversity Content Partner: United Nations Environment Programme (other articles) Article Topics:... Read More

Deoxyribonucleic acid

Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More

Maternal inheritance

Definition noun A form of inheritance wherein the traits of the offspring are maternal in origin due to the expression... Read More

Enzyme

Reviewed by: Todd Smith, PhD Definition noun plural: enzymes en·zyme, ˈɛnzaɪm (biochemistry) A... Read More

Ploidy

Definition noun, plural: ploidies The number of sets of homologous chromosomes that make up the genome of a cell or an... Read More

Vulnerable species

Definition noun Any species that is likely to become endangered within the foreseeable future Supplement A vulnerable... Read More

Autopolyploidy

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

Pseudogamy

Definition noun (1) A form of parthenogenesis wherein the sperm stimulates the egg cell to develop into an embryo without... Read More

Pioneer species

You might have come across news of some barren lands turning into luscious grasslands or forests after decades? Or you might... Read More