Sentence examples for several generations without from inspiring English sources

As a control, we promoted the shedding of the episome-encoded PF3D7_1040200 by cultivating the Stevor-Ty1 line for several generations without blasticidin selection (-BSD) required to retain the episome.

These data clearly indicated that the mutants were not only able to survive harsh conditions but also stable after several generations without any back mutation.

The typical life cycle of these insects is cyclic parthenogenesis: Over 1 year, aphids normally alternate between viviparous parthenogenesis (several generations without sex) and oviparous sexual reproduction (one generation).

Heirloom or Hybrid: Heirlooms are tomatoes that have been genetically reproduced for several generations without any cross-breeding.

Back in Karadut, villagers can recite the lineage of their horses several generations back without pausing to think.

Epigenetics associated with a gene activity state that may be stable over long periods of time, persist through many cell divisions, or even be inherited through several generations and all without any variations to the primary DNA sequence [ 25- 27].

They were maintained for several generations in laboratory conditions, without insecticide treatment.

For several generations, shark populations have declined without much interest from the public, thanks in part to their often sensationalized portrayal, Shark Week included.

Several generations unable to count to 10 without laughing like a vampire thanks to Sesame Street would suggest you can.

In all tested lines, the two transgenes were co-inherited without segregation over several generations.

These strains were then cultured in the medium with and without ethanol for several generations to obtain samples in the mid-exponential phase.