"Amphidiploidy" Pronounce,Meaning And Examples
"Amphidiploidy" Natural Recordings by Native Speakers
"Amphidiploidy" Meaning
Amphidiploidy refers to a condition in which an organism has two sets of chromosomes from a single species, resulting from the fusion of two haploid cells (gametes) from the same individual. This is different from diploidy, where the two sets come from different parents. It is a rare occurrence in plants and can lead to sterility or other genetic abnormalities.
"Amphidiploidy" Examples
1. Amphidiploidy is a genetic condition where an organism possesses two complete sets of chromosomes, one from each parent, resulting in a total of 4n DNA content.
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- The occurrence of amphidiploidy in plants, such as tobacco, can lead to hybrid vigor and increased genetic diversity.
2. In some cases, amphidiploidy can arise spontaneously during fertilization, creating an embryo with double the normal chromosome number.
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- Researchers have studied amphidiploid plants to understand the evolutionary implications and potential advantages of having extra genetic material.
3. Amphidiploidy is often used in plant breeding to combine desirable traits from different species, as it allows for the stable inheritance of a wide range of characteristics.
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- Scientists created amphidiploid wheat varieties by crossing different wheat species, resulting in more disease-resistant and high-yielding crops.
4. The study of amphidiploidy has contributed to our understanding of polyploidy, a phenomenon common in plants but rare in animals, where organisms have more than two chromosome sets.
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- Amphidiploid yeast strains have been used as model systems to investigate the effects of polyploidy on cellular processes and stress tolerance.
5. In certain fungi and algae, amphidiploidy plays a role in sexual reproduction, allowing for genetic recombination and adaptation to changing environments.
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- The fusion of two compatible haploid cells in green algae can result in an amphidiploid zygote, which later undergoes meiosis to produce offspring with mixed genetic information.
"Amphidiploidy" Similar Words
Amphicoelous
Amphicoelous refers to a type of vertebra or bone that has a concave shape on both the anterior and posterior surfaces, allowing for a rounded joint or articulation with other bones. It is often found in the vertebral columns of certain animals, such as some鱼类 and primitive chordates.
Amphicome
The word "amphicome" does not have a widely recognized or established meaning in the English language. It is possible that it could be a misspelled or uncommon term, or perhaps a term from a specific context or field that is not widely known. If you meant "amphibian," it refers to an animal that can live both in water and on land, such as frogs, toads, and salamanders. If it was meant to be a different word, please provide the correct spelling or context for further clarification.
Amphicribral
The word "amphicribral" is not widely recognized or commonly used in the English language. It seems to be a rare term that might have limited context or specific usage in certain fields. Without a specific context, it's difficult to provide a precise definition. If you come across this term in a particular context, please provide more information for a more accurate explanation.
Amphictyonic
Amphictyonic refers to a group or league of tribes or cities united for mutual defense, often centered around shared religious festivals or shrines. It comes from the ancient Greek "amphiktyōn," meaning "dwelling on both sides," which originally referred to the alliance of tribes living around the sacred sites of Delphi and Thermopylae.
Amphictyons
Amphictyons refer to the ancient Greek council of部落 leaders who presided over the Amphictyonic League, a religious and political alliance of city-states. They were responsible for maintaining and protecting the sacred sites, such as the temples of Apollo at Delphi and Zeus at Olympia. The term can also be used metaphorically to describe any group or council with similar functions in a religious or cultural context.
Amphictyony
Amphictyony refers to a ancient Greek political or religious alliance between cities or tribes, typically centered around shared temples or sacred sites. The members of such an alliance would take turns in providing services, festivals, and protection for these common religious centers.
Amphid
Amphid is a term used in zoology, specifically referring to the anterior pair of sensory organs found in nematode worms, also known as roundworms. These organs are part of the head structure and help the worm detect its surroundings.
Amphidiploid
Amphidiploid refers to a plant or organism that has a genome resulting from the fusion of two different diploid cells, typically from distinct species or genera. This results in a hybrid with an even number of chromosomes from both parental lines.
Amphidromia
Amphidromic
Amphidromous
Amphigamous
Amphigean
Amphigen
Amphigene
Amphigenesis