Sentences with phrase «in viable offspring»

Inbreeding depression refers to the decrease in the viable offspring of genetically related dogs that have mated.

Such a multi-species party didn't make sense, he said, because mating outside one's species doesn't result in viable offspring.

In the initial work at the Roslin Institute, the egg cells along with their transplanted nuclei were then implanted directly into a foster mother, where they developed and, in the case of Dolly, resulted in a viable offspring.

Not exact matches

Most mutations do not result in viable (let alone reproductively successful) offspring — and the great abortionist in the sky takes care of these non-viable mutations.

I'd really REALLY like to know how to propagate a species with only 2 viable beings, and then their offspring (as stated in your own book) were ALL male?

In zoos, the different giraffe types now being proposed as separate species did the one thing that has traditionally defined animals as a single species: They bred together and produced what seemed like viable offspring.

«Reproductive success,» meaning the number of viable offspring an individual can produce, is an important concept in this regard.

The bald eagle was nearly extinct in the continental U.S. by the late 20th century, but the population has since stabilized, primarily due to habitat protection and a ban on DDT, an insecticide that weakened the birds» eggs so much that the eagles could not produce viable offspring.

More often than not, even if the offspring are viable, they can not themselves reproduce, as in the classic case of mules.

What's more, these mixed pairs founded viable colonies in the lab — and churned out offspring twice as fast as the parent species (PLOS One, DOI: 10.1371 / journal.pone.0120745).

In a separate study conducted by Zhang Zhaobin of the College of Urban and Environmental Sciences at Peking University, exposure to TPT reduced the ability of the Japanese Medaka fish (Oryzias latipes) to produce viable offspring by as much as 75 % in a controlled facilitIn a separate study conducted by Zhang Zhaobin of the College of Urban and Environmental Sciences at Peking University, exposure to TPT reduced the ability of the Japanese Medaka fish (Oryzias latipes) to produce viable offspring by as much as 75 % in a controlled facilitin a controlled facility.

Although they can produce viable offspring in some lizards and fish, in mammals they typically result in embryos that survive for only a few days or weeks.

The 13 sheep in the new study were created from 2005 to 2007, when biologist Keith Campbell, a key member of the Dolly team, was trying to improve cloning — creating more viable embryos to implant in the wombs of surrogate mothers, more pregnancies, and more live offspring.

Preimplantation Genetic Screening and Diagnosis offers the chance to avoid serious genetic disorders in our offspring by allowing us to select the most viable embryos for implantation.

Until now, it has been assumed that all fertile sperms in one ejaculation from an animal are equally capable of engendering viable offspring.

Correct DNA methylation patterns are paramount for the generation of functional gametes capable of forming viable offspring, but also for the regulation of pluripotency states and the maintenance of genome architecture and expression in somatic cells.

They can not produce viable offspring with other insects in the wild, not even with other species of mosquito.

It was the major division used by Carl Linnaeus (1707 — 1778) in his classification system and identifies plants or animals that can produce viable offspring.

True, the election took place in Canada, not the US, but I know of several Canadian - American pairings which produced viable offspring; our species are closely related.