Nevertheless, mtDNA can only detect hybridization along matrilines while paternal hybrid offspring remains undetected.
Induced polyploids in Pinus show poor survival and growth and interspecific hybridization does not increase the genome size of Pinus hybrid offspring to levels above either parent [10].
It was a hybrid offspring of the printing press.
In Patricia Piccinini's disturbing sculpture, The Young Family, a human-dog mother is displayed feeding its three hybrid offspring.
Aristotle's "downhill slope" is topped by men, followed by women, then devolves into "hybrid offspring" like satyrs and fauns.
Not only did the two interbreed; the resulting hybrid offspring were functional enough to be integrated into human society.
These strains do not ordinarily mate with each other, and their hybrid offspring tend to show abnormal growth.
The splendidly landscaped grounds are home to an extensive menagerie that includes emus, a camel, a zebra and its hybrid offspring, a "zonkey".
And hybrid offspring of these uninfected wasps are fertile and healthy -- there are none of the problems that would crop up if the genes were diverging.
It is the kind of ambitious hybrid offspring that might be produced if an academy school had a lovechild with the Barbican.
When hybrid offspring do not pass on their genes, the mating that produced them cannot be considered totally successful from an evolutionary perspective, Dr. Lovette said.
