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...hat are essential for development, and often disrupt the development of an embryo in its earliest stages. Because these mutations have very serious effects,

...-800</ref>. [[HAR1]] is an RNA gene that is expressed in the early neural embryo genesis. Through re-sequencing studies, David Hausler et.al indicated that

...arrow]] of large bones, at a rate of about 2 million per second. (In the [[embryo]], the [[liver]] is the main site of red blood cell production.) The produc

...ally develop from one, two, or three [[germ layer|tissue layers]] in the [[embryo]] stage, depending upon the kind of animal it is. [[Sponge]] embryos have o ...starts out as one, solitary cell that divides into a new, multicellular [[embryo]]. Either one—generally the female—or both parents care for their new e

...school at Grenoble, of which he was the director from 1764-1771, came the embryo from which evolved the Napoleonic staff, of which Berthier was the preemine

...two Thoroughbred parents, but by means of [[artificial insemination]] or [[embryo transfer]] is barred from the Thoroughbred studbook. Any Thoroughbred bred ...ntage, most breed registries now allow [[artificial insemination]] (AI), [[embryo transfer]] (ET), or both. The high value of stallions has helped with the

14. Berthoud VM, Bassnett S, and Beyer EC. (1999). Cultured chicken embryo lens cells resemble differentiating fiber cells in vivo and contain two kin

...to existing crops, it also uses artificial means for gene transfer such as embryo rescue and biolistics to overcome natural barriers to [[gene flow]] between ...using protoplast fusion ([[somatic hybridization]]) can also be used, and embryo rescue methods can also circumvent gene-flow barriers.

In the embryo and fetus, development proceeds in a predictable fashion. In general, in al

An embryo of a Spotten Dolphin in the fifth week of development. The hind limbs are p

...inous and hard [[endocarp]], which contains a [[seed]] with a diminutive [[embryo]] and abundant [[endosperm]]. The seed makes up about 80% of the fruit.

Caption2 = Median sagittal section of brain of human embryo of three months. (Hypothalamus visible at center) |

...an clawed [[frog]] - used in developmental biology because of its large [[embryo]]s and high tolerance for physical and pharmacological manipulation

...itical and philosophical reflections and vivid descriptions of nature. An embryo, two-part, version of 1799 has been derived from the manuscripts.<ref>Words

|discovery of the organizing center in [[embryo]]nic development

...al") twins]], a [[cloning|clone]] resulting from the early splitting of an embryo, have the same DNA, but different [[personality|personalities]] and [[finge

|title=Substrate requirements for let-7 function in the developing zebrafish embryo

...strogen]]s. Steroids play an important role at all stages of life from the embryo until death. [[Corticosteroids]], or synthetic mimics such as [[prednisone

...nesday Write-a-thons currently collide with the [http://embryophysics.org/ Embryo Physics Course] that I participate in. Will try to add something about [[Al

...P elements can be used to insert genes into Drosophila by injecting the [[embryo]]. For the use of P elements as a genetic tool see: "[[transposons as a gen

''Biological Physics of the Developing Embryo'' (Cambridge University Press, Cambridge, UK, 2005). *[http://anatomy.med.unsw.edu.au/cbl/embryo/pdf/Origin_of_Species.pdf Full text in pdf format]

...use use of a number of ''in vitro'' techniques such as protoplast fusion, embryo rescue or mutagenisis to generate diversity and produce plants that would n

...ack into that vein. All things, in short, permit us to believe that in the embryo the blood must constantly pass by this foramen from the vena cava into the ...d terminate in the great artery or aorta. So that in the dissection of the embryo, as it were, two aortas, or two roots of the great artery, appear springing

...ic environment. The mechanisms mediating adaptations in development of the embryo, placenta, fetus and newborn include changes in the maternal metabolic envi

...es are marked in the germ cells to be either active or inactive in the new embryo, by the addition of chemical modifiers to the DNA. This so-called [[Imprint

...rated when milling white flour, is [[Dietary bran|bran]] Wheat germ is the embryo portion of the wheat [[seed|kernel]]. It is a concentrated source of [[vita

...g was divided in two, it nevertheless gave rise to a perfect, though small embryo. Driesch, already a famous biologist, thus became an avowed vitalist. He mo

...ated when milling white flour, is [[Dietary bran|bran]]. Wheat germ is the embryo portion of the wheat [[seed|kernel]]. It is a concentrated source of [[vita

...plies the nutrients necessary to nourish the developing seedling. Once the embryo can photosynthise, the mycorrhiza is no longer needed. Some species of myc

...plies the nutrients necessary to nourish the developing seedling. Once the embryo can photosynthise, the mycorrhiza is no longer needed. Some species of myc

...es are marked in the germ cells to be either active or inactive in the new embryo, by the addition of chemical modifiers (like methyl groups) to the DNA. Thi

...contribute 23 chromosomes for a total of 46 chromosomes in the fertilized embryo. The total sum of chromosomes is called the kayrotype in [[eukaryote]]s (or ...ibute 23 chromosomes each, for a total of 46 chromosomes in the fertilized embryo. Mitochondria have their own DNA which originates in the female egg as a c

...es are marked in the germ cells to be either active or inactive in the new embryo, by the addition of chemical modifiers to the DNA. This ''[[Imprinting (ge

...rd the [[Stoicism|Stoic]] concept of a universal natural law, embodying an embryo version of universal human rights , and the Roman legal system, with its ju