Stem cells: How to make eggs and sperm. Nature 427: 106.Surani MA (2004) Stem cells: how to make eggs and sperm. Nature 427:106–107Surani, M.A. (2004). Stem cells: how to make eggs and sperm. Nature 8, 106-107.Surani MA. 2004. Stem cells: how to make eggs and sperm. ...
It has been accepted wisdom for decades that most animals create germ cells ― those cells that produce the eggs and sperm organisms need to pass on their genes ― in the same way. Cassandra Extavour is poised to upend that wisdom. Extavour, a professor of organismic and evolutionary biolo...
Political and ethical debate over whether similar experiment should be conducted with cells derived from ... None - 《N Nw》 被引量: 0发表: 2003年 Mature Sperm and Eggs Grown from Same Stem Cells, Reports on a series of experiments wherein scientists have transformed cells from mouse embryos...
Human eggs grown to maturity in lab: researchers British researchers became the first in the world to produce healthy mice with a technique that bypasses the normal step of fertilising an egg cell with sperm. MAKING BABIES WITHOUT MUMS; Scientists find way to produce mice with no need for fem...
Like embryonic germ cells, which are cells that develop early in the formation of the fetus and that later generate eggs or sperm,embryonic stem cells have the ability of developing themselves into different kinds of body tissue. 选项:
The germ line is that lineage of cells that eventually forms the eggs and sperm in the adult. The precursor germ line cells, the primordial germ cells, are formed in the early embryo and will eventually migrate to the developing gonad, form the germ line stem cells, and in the adult, ma...
Animal primordial germ cells (PGCs) that become eggs and sperm pass their genomes onto the next generation. Little is known about how PGCs are protected from toxic chemicals. In this dissertation, I explore the function and activity of ATP binding cassette (ABC) transporters in PGCs of the sea...
摘要: Rene Almeling examines the medical market for eggs and sperm in the United States - how it is organized and how it influences and is experienced by donors.关键词:eggs sperm in vitro fertilization commodification egg donor sperm donor ...
Scientists say they have coaxed uncommitted mouse embryonic stem cells to grow into sperm cells in the laboratory.
This process is required to produce egg and sperm cells for sexual reproduction. Meiosis begins with a parent cell that is diploid, meaning it has two copies of each chromosome. ... What does uncontrolled growth mean? Cancer is the uncontrolled growth of abnormal cells in the body. Cancer ...