Genetic redundancy means that two or more genes are performing the same function and that inactivation of one of these genes has little or no effect on the biological phenotype

Redundancy seems to be widespread in genomes of higher organisms

TLS Online TPP Program

#Id: 9582

#Unit 11. Evolution and Behavior

Permian - Major mass extinctions, amphibians decline

TLS Online TPP Program

#Id: 9583

#Unit 11. Evolution and Behavior

Triassic - First dinosaurs and mammal, Mass extinction near end of period

TLS Online TPP Program

#Id: 9584

#Unit 11. Evolution and Behavior

Jurassic- First birds and angiosperms

TLS Online TPP Program

#Id: 9585

#Unit 11. Evolution and Behavior

Cretaceous - Diversity of angiosperms and Mass extinctions of marine and terrestrial life, including last dinosaurs

TLS Online TPP Program

#Id: 9586

#Unit 11. Evolution and Behavior

Paleogene - Radiation of mammals, birds, snakes, angiosperms, pollinating insects

TLS Online TPP Program

#Id: 9587

#Unit 11. Evolution and Behavior

Neogene- Increasingly cool, dry climate; grasslands spread; modern families of mammals and birds; first apes