Share this entry

Share this page

parthenogenesis

Saltos de línea: par¦theno|gen¦esis
Pronunciación: /ˌpɑːθɪnə(ʊ)ˈdʒɛnɪsɪs
 
/

Definición de parthenogenesis en inglés:

sustantivo

[mass noun] Biology
Reproduction from an ovum without fertilization, especially as a normal process in some invertebrates and lower plants: cyclic parthenogenesis is well displayed in aphids
Más ejemplos en oraciones
  • Reproductive modes include sexual reproduction and parthenogenesis, but much remains to be known about development.
  • In asexual reproduction, eggs develop without fertilization, a process called parthenogenesis.
  • This process is known as parthenogenesis, where unfertilized eggs develop into embryos without sperm.

Origen

mid 19th century: modern Latin, from Greek parthenos 'virgin' + genesis 'creation'.

Derivados

parthenogenetic

1
Pronunciación: /-dʒɪˈnɛtɪk/
adjetivo
Example sentences
  • Sexual reproduction in cyclically parthenogenetic rotifers results in the production of diapausing, fertilized eggs, which can survive for decades in sediment egg banks.
  • The first hypothesis assumes that triploidy is associated with the origin of parthenogenesis and that both diploid and tetraploid parthenogenetic forms are derived.
  • It reportedly reproduces exclusively by parthenogenetic female gametes and fragmentation.

parthenogenetically

2
Pronunciación: /-dʒɪˈnɛtɪk(ə)li/
adverbio
Example sentences
  • In parthenogenetically reproducing populations, traits involved in sexual reproduction are no longer under selection and thus potentially subject to vestigialization.
  • An alternative sexual reproductive mode is, for instance, arrhenotoky, where males are produced parthenogenetically and are haploid, whereas females are diploid and produced from fertilized eggs.
  • In apomictic plants, embryos develop parthenogenetically (without fertilization) from unreduced somatic or gametophytic cells.

Definición de parthenogenesis en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Más sobre parthenogenesis

Palabras cercanas

Más palabras en esta categoría

biomagnetism carina cilium creationism cultured

Traducir parthenogenesis

al español
Palabra del día terpsichorean
Pronunciación: ˌtəːpsɪkəˈriːən
adjective
relating to dancing