Dictionary > Monoploidy

Monoploidy

Definition
noun
(genetics) The state of being monoploid, that is having one set of the chromosomes
Supplement
Ploidy refers to the number of sets of homologous chromosomes in the genome of a cell or an organism. Each set is designated by n. Thus, the state of having a single set of chromosomes is referred to as monoploidy and is represented by 1n. The cell or organism with one set of the chromosomes is called a monoploid. In most animals, a monoploidy instead of a diploidy is lethal. This condition may be tolerated more in plant species and therefore they may survive despite the condition. However, in most animal species this could mean death. Nevertheless, there are few animal species where monoploidy is a normal part of the life cycle such as in male wasps, ants, and bees. The offspring that arise from monoploidy are those that have developed from unfertilized eggs.1
Word origin: mono- (one)
Symbol: 1n
Compare:

See also:

  • chromosomes
  • ploidy
  • fertilization
  • somatic cell
  • sex cell
  • Related forms:

    Reference(s):

    1Russell, P., Hertz, P. & McMillan, B. (2013). Biology The Dynamic Science (Units 1 & 2. City: Brooks/Cole Pub Co. p.275


    You will also like...

    Plant Auxins
    Plant Auxins – Phototropism & Geotropism

    Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..

    Still Water Animals
    Still Water Animals

    Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..

    Lake Wakatipu, New Zealand
    New Zealand’s Unique Geographical History

    Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..

    Sigmund Freud and Carl Gustav Jung
    Sigmund Freud and Carl Gustav Jung

    In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..

    Biosecurity and Biocontrol
    Biosecurity and Biocontrol

    This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..

    New Zealand Flora & Fauna
    Ecology & Biodiversity: New Zealand Flora & Fauna

    New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..

    Related Articles...

    No related articles found

    See all Related Topics