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New study uses DNA sequences to look back in time at key events in plant evolution

ANN ARBOR — A new paper from scientists in North America, Europe and China reveals important details about key transitions in the evolution of plant life on our planet.

From strange and exotic algae, mosses, ferns, trees and flowers growing deep in steamy rain forests to the grains and vegetables we eat and the ornamental plants adorning our homes, all plant life on Earth shares more than a billion years of history. (more…)

Mutant Gene Responsible for Pigeons’ Head Crests

By Guest PostFebruary 5, 2013Nature, Scienceanna vickery, bgi shenzhen, cancers, columba livia, elizabethan collar, ephrin receptor b2, eric domyan, feral pigeons kinship, gene affects, gene named ephb2, genes in humans, genetic blueprint, george gilchrist, human genome, mark yandell, michael campbell, mutant gene, pigeon embryos, prostate cancer, reference genome, sydney stringham, zev kronenberg

Decoded genome reveals secrets of pigeon traits and origins

Scientists have decoded the genetic blueprint of the rock pigeon, unlocking secrets about pigeons’ Middle East origins, feral pigeons’ kinship with escaped racing birds and how mutations give pigeons traits like feather head crests.

“Birds are a huge part of life on Earth, but we know surprisingly little about their genetics,” says Michael Shapiro, one of the study’s two principal authors and a biologist at the University of Utah. (more…)

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New study uses DNA sequences to look back in time at key events in plant evolution

Mutant Gene Responsible for Pigeons’ Head Crests