Stuff happens …. Several times throughout their radiation fish have evolved either lungs or swim bladders as gas-holding structures. Lungs and swim bladders have different…
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Repeated evolution: Appendix evolved more than 30 times!
The appendix may not be useless after all. The worm-shaped structure found near the junction of the small and large intestines evolved 32 times among…
Comments closedRepeated evolution: Sex chromosomes evolved independently, many times, in various species
Sex chromosomes evolved not once, but many times, independently … stuff happens … Sex chromosomes are derived from autosomes and have evolved independently many times…
Comments closedRepeated evolution: Penis-baculum evolved multiple times and have been lost multiple times
Several hypotheses for the function of the baculum have been proposed which lead to testable predictions in a comparative framework. Unfortunately, comparative studies have failed…
Comments closedRepeated evolution of blood types
interesting stuff happened here … or perhaps not ? The ABO histo-blood group, the critical determinant of transfusion incompatibility, was the first genetic polymorphism discovered…
Comments closedEvolution does repeat itself after all: How evolution lets stripes come and go
same stuff happened multiple times, independently in various lakes, and at a record speed … Evolution does repeat itself after all: How evolution lets stripes…
Comments closedRepeated evolution: Lactose tolerance arose independently in Africans and Europeans
In January 2007, an international team of researchers led by geneticist Sarah Tishkoff announced that they had uncovered the genetic roots of Africans’ lactose tolerance.…
Comments closedRepeated evolution: Among insect 236 families in 18 of 44 orders independently invaded water
just another extreme convergent evolution event … stuff happens … No insects returned to land after adapting to aquatic habits Due to different evolutionary rates…
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