Is there only one optimal configuration an organism can reach during evolution? Is there a single formula that describes the trajectory towards the optimum? And can we 'derive' it in a purely ...

Later, animals—multicellular organisms—evolved, developing from a single egg cell to form complex beings. This embryonic ...

The development of an animal embryo, from a small cluster of cells to a multicellular organism, might also have been optimized and fine-tuned to an almost perfect system. However, a precise ...

Scientists have uncovered a key mechanism in jellyfish embryos that provides new insights into how the body plan of these ...

miR-15, miR-16 and miR-430 are involved in modulation of the Nodal signalling pathway in different phases of vertebrate embryonic ... in various aspects of animal development, such as neuronal ...

Later, animals - multicellular organisms - evolved, developing from a single cell, the egg cell, to form complex beings. This embryonic development follows precise stages that are remarkably ...

Scientists who study a family of green algae that includes unicellular Chlamydomonas and multicellular Volvox ... The unicellular ancestry of animal development. Developmental Cell 7, 313 ...

Altogether, multicellular organisms like humans ... on or off in different body regions and cell types. Later in an animal's development, epigenetic switches take over. These epigenetic mechanisms ...