Everything about Sheep-goat Chimera totally explained
see also
Sheep-goat hybrid » Geep can also refer to a series of railroad locomotives
A
sheep-goat chimera (sometimes called a
geep in popular media) is a
chimera produced by combining the
embryos of a
goat and a
sheep; the resulting
animal has
cells of both sheep and goat origin. A geep shouldn't be confused with a
sheep-goat hybrid, which can result when a goat mates with a sheep.
History
The first sheep-goat chimera was bred in Manumbar Qld Australia; it was artificially inseminated into 3 goats and 3 sheep in the year 1982. Researchers fused a sheep embryo with a goat embryo. The resulting creature was a mosaic of mismatched goat and sheep parts. Those parts which grew from the sheep embryo were
woolly. Those which grew from the goat embryo were
hairy.
Characteristics
In a chimera, each set of cells (germ lines) keeps their own species identity instead of being intermediate in type between the parental species. It has four parents, whereas a hybrid has two parents.
A sheep-goat chimera may be
fertile, but it'll pass on either sheep or goat genes, depending on whether its reproductive (organs) system were formed from the goat embryo or from the sheep embryo (for example, which germ-line formed the ovaries or testes).
The term
shoat is sometimes erroneously used for sheep-goat hybrids and chimeras. The term
shoat actually means a young
piglet.
Further Information
Get more info on 'Sheep-goat Chimera'.
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