"Zygotene" Pronounce,Meaning And Examples
"Zygotene" Natural Recordings by Native Speakers
"Zygotene" Meaning
The term "zygotene" refers to a stage in meiosis, specifically in the process of cell division in reproductive cells (gametes). It is part of prophase I of meiosis, a period in which the lengthy chromosomes remain tightly coiled and are not yet joined to their corresponding homologous chromosomes.
During the zygotene stage, the homologous chromosomes begin to pair up in a process known as synapsis. This is a critical step in meiosis because it leads to the exchange of genetic material between the homologous chromosomes through a process known as crossing over. However, at the zygotene stage, the chromosomes remain largely condensed and are not yet visible as distinct spindle fibers.
The term "zygotene" specifically refers to this particular stage, which is characterized by the association of homologous chromosomes and the initiation of crossing over. This process is crucial for increasing genetic diversity in offspring, as it introduces new combinations of alleles through recombination.
"Zygotene" Examples
Zygotene (n.)
Phase of meiotic prophase I in which the homologous chromosomes of a pair begin to pair with each other, a process called synapsis, and the chromosomes condense to form a pachytene bivalent.
1. During zygotene, the genetic material of each chromosome duplicates, but the exact timing can vary between species.
2. The zygotene stage is a critical period for the development of crossovers and genetic recombination during meiosis.
3. Chromatin condensation and the formation of synaptonemal complexes are key features of the zygotene phase of meiotic prophase I.
4. In some animals, the zygotene stage is characterized by the formation of chromatin bodies, or lampbrush chromosomes, which are highly puffed and looped structures.
5. Research on zygotene has provided valuable insights into the molecular mechanisms underlying chromosome pairing and synapsis during meiosis.
"Zygotene" Similar Words
Zygosis
Con junction of gametes (sperm and egg) in sexual reproduction, leading to the formation of a zygote.
Zygosity
Zygosperm
Zygosphene
The word "zygosphene" (pronounced /zaiˈɡɒsfɪni/) refers to the bony articular surfaces of adjacent vertebrae, specifically the zygapophyseal joints that connect the transverse and articulating processes of adjacent vertebrae.
Zygosporangium
Zygospore
Zygospores
Zygosporangium or zygosporic, plural form is called zygospores (from Greek 'zygo' and Sorosoble poster for a fruit called soro, poster Glow):<br><br>The plural form of 'zygosporic', that is, 'zygospasures', is not to be confused with 'zygospores', the technical term used in biology and mycology. In mycology, zygospores are in the Germination, fruiting bodies or spores, not heterozygous or bisexual (in multispore form), but usually show stability working as genetic, normally in growth forms.
Zygote
Zygote refers to the very early stage of a cell or organism that forms when two gametes (sperm and egg cells) fuse during fertilization. This single cell has genetic material from both parents and will undergo multiple cell divisions to develop into an embryo.
Zygotes
Zygotic
Zygous
Zylonite
Zyloprim
Zymase
Zymase is a term used to describe an enzyme complex found in the cells of living organisms that is responsible for the fermentation process, particularly in the conversion of sugars into carbon dioxide and ethanol. It is a mixture of enzymes such as diapidase, phos-enzyme, and reductase that catalyze the breakdown of sugar molecules to produce these products.<br><br>The term "zymase" was coined in 1897 by German biochemist Eduard Buchner, who discovered that yeast fermentation could occur even in the absence of live yeast cells, suggesting that fermentation was due to the action of enzymes rather than a vital force or a living organism.<br><br>Zymase is still used today in various industries, including the production of beer, wine, and bread, where it plays a crucial role in the fermentation process that gives these products their flavor, texture, and aroma.
Zyme
An enzyme is a biological molecule, typically a protein, that significantly speeds up the rate of virtually all of the chemical reactions that take place within cells.