allopolyploidy

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Mayer Amschel Rothschild (1744-1855), founder of the house of Rothschild; lithograph by Friedrich Lieder, c. 1830.

Where Do Anti-Semitic Conspiracy Theories About the Rothschild Family Come From?

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Super Typhoon Noru over the western tropical Pacific Ocean as observed by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA Aqua satellite July 31 2017

What Is the Difference Between a Typhoon and a Super Typhoon?

Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)

8 Unusual Punishments Inflicted on Women Throughout History

Thumbnail for flags that look alike quiz Russia, Slovenia, Iceland, Norway

Flags That Look Alike

A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

Inventors and Inventions of the Industrial Revolution

Diverse elementary school children wearing school uniforms running outside of school. Boys girls

Pro and Con: School Uniforms

allopolyploidy

botany

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In evolution: Polyploidy
…from a single species, and allopolyploids, which stem from a combination of chromosome sets from different species. Allopolyploid plant species are much more numerous than autopolyploids.
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evolution of ferns

In fern: Hybridization
…demonstrated or suspected sexual “allopolyploid hybrids,” which are believed to have originated by doubling of the chromosomes of sterile crosses (but without the shift to an apogamous lifestyle). These are intermediate in their characteristics between well-known parental species and behave like normal, divergent species, alternating sporophytes with gametophytes and…
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