Sentences with phrase «produce hybrid offspring»

After finding that two closely related species, the desert and Bryant's woodrats, could interbreed and produce hybrid offspring, scientists set out to determine why only 14 percent of the population in a «contact zone» had genetic signatures from both species.

Some closely related species interbreed where their ranges overlap, producing hybrid offspring that can even backcross with either parent species, until a whole population of mixed - species birds forms in the area and creates what's known as a «hybrid zone.»

Some closely related species interbreed where their ranges overlap, producing hybrid offspring that can backcross with either parent species, until a whole population of mixed - species birds forms in the area and creates what's known as a «hybrid zone.»

These monkeys have successfully been producing hybrid offspring for hundreds maybe even thousands of years.

Not exact matches

After isolation, if members of the split populations encounter one another and can not produce viable offspring that can themselves later successfully interbreed and produce viable offspring (hybrids such as mules are infertile), then these two populations constitute two different species.

Specifically, they knew two closely related wasp species, Nasonia giraulti and Nasonia longicornis, could produce healthy hybrid offspring and that the two had a similar array of gut bacteria.

The offspring of high - oil - producing tenera hybrids will generate high - yielding progeny only about half the time.

At the time the main concern for plant breeders was pollen movement between different strains of crops — if a variety of sweet corn was contaminated by pollen from a popcorn variety, then the resulting hybrid offspring would produce seeds that were unusable for market purposes or for selecting new varieties.

Reinforcement can occur when two species living in the same environment mate and produce inferior, hybrid offspring.

Rainbow trout (Oncorhynchus mykiss), the most widely introduced salmonid in the world (Lever 1996), produces fertile offspring when crossed with cutthroat trout (Oncorhynchus clarkii), and introgression often continues until a hybrid swarm is formed and the native cutthroat genomes are lost (Allendorf & Leary 1988).

However, unlike the parent strains, F1 hybrids do not breed true: the F2 offspring produced by mating F1 mice all have a unique random mixture of alleles from both parental strains.

For the production of the F1 IVC offspring, five females (C57BL / 6xCBA) of 8 — 10 wk of age were mated with each of five randomly selected F0 IVC males of 3 — 4 mo of age to produce F1 hybrid male offspring.

«When a beautiful human - alien hybrid (Henstridge) escapes from observation, scientist Xavier Fitch (Kingsley) dispatches a crew of experts to find her before she is able to fulfill her horrific purpose: to mate with unsuspecting men and produce offspring that could destroy mankind.

In captivity, only Campbell's dwarf hamsters and Djungarian hamsters are able to interbreed and produce live offspring or hybrids.

A hybrid consists of the offspring produced when breeding different purebred dog breeds.