The fertilization of a diploid ovum by a monoploid sperm, resulting in a triploid zygote.
See Also: digynous

Wikipedia foundation.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Digyny — (also digynia) refers to the process of a diploid ovum becoming fertilized by a monoploid sperm. The result of digyny is a triploid zygote. In humans, both gametes (ovum and sperm) are normally monoploid and give rise to a diploid zygote. Digyny… …   Wikipedia

  • digyny, digynia — Fertilization of a diploid ovum by a sperm, which results in a triploid zygote. Cf.:diandry. [di + G. gyne, woman] …   Medical dictionary

  • Polyploidy — occurs in cells and organisms when there are more than two homologous sets of chromosomes.Most organisms are normally diploid; polyploidy may occur due to abnormal cell division. It is most commonly found in plants. Haploidy may also occur as a… …   Wikipedia

  • Polyploid — This image shows haploid (single), diploid (double), triploid (triple), and tetraploid (quadruple) sets of chromosomes. Triploid and tetraploid chromosomes are examples of polyploidy. Polyploid is a term used to describe cells and organisms… …   Wikipedia

  • Di- (prefix) — Di comes straight from the Greek and means twice or double or twofold, as in diacid, diamelia (absence of two limbs), diandry (double male genetic contribution) and digyny (double female genetic contribution); the drugs diazepam, dicyclomine… …   Medical dictionary

  • diandry, diandria — The phenomenon in which a single ovum is fertilized by a diploid sperm and hence produces a triploid fetus. Cf.:digyny. [di + G. andros, male] …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”