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Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 1995
Whether germ cells succeed in making eggs or sperm depends both on their genetic constitution and on the tissue environment in which they develop. The decision as to whether it is oogenesis or spermatogenesis on which they initially embark depends only on their environment, however, and not at all on their own chromosomes.
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Whether germ cells succeed in making eggs or sperm depends both on their genetic constitution and on the tissue environment in which they develop. The decision as to whether it is oogenesis or spermatogenesis on which they initially embark depends only on their environment, however, and not at all on their own chromosomes.
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SSRN Electronic Journal, 2010 Abstract This chapter treats the relation between justice and law. One influential argument says that although a law may be ‘substantively’ unjust, ‘formal’ justice requires that it be applied strictly according to its terms. On this basis, H. L. A. Hart says that whenever law is constantly applied, we have ‘the germ of justice’.
Leslie Green, Leslie Green
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Germ cells and germ cell transplantation.
The International journal of developmental biology, 1998The germ cell lineage in mice is established about a week after fertilization, in a group of cells that have left the epiblast and moved to an extraembryonic site. They migrate back into the embryo, along the hind gut and into the gonads. Germ cells in male and female embryos then pursue different pathways: in the testis the germ cells cease ...
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Germ Plasm and the Differentiation of the Germ Cell Line
1976Publisher Summary This chapter discusses germ plasm and the differentiation of the germ cell line. Germ plasm is defined as a substance present in the cytoplasm of gametes, which is segregated into specific cells during blastulation and determines that those cells shall become the progenitors of the germ cell line during subsequent development.
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