Sentence examples for males failed to from inspiring English sources

A large number of attempted matings between F2 and RF2 females and D. arizonae males failed to produce offspring as was expected considering the significant prezygotic isolation between the species.

Very low levels of always early and cookie monster are suggested by microarray analysis of various tissues [24], but RT-PCR or northern blots of gonadectomized or germline-less adult males failed to detect them [18], [25].

However, in a series of behavioral experiments in this species, Christenson [31] gave males the opportunity to copulate with multiple receptive virgin females in succession, and males failed to transfer any sperm after their first mating in this scenario [31].

TNT/Gr68a males failed to detect movement signals and had delayed courtship initiation, suggesting that neural function of Gr68a-mechanosensory organs (this broad category includes Johnston's organ, bristles and chordotonal organs) was required for signal detection.

Although a difference in total litter number was observed between the two groups, other factors rather than sperm function may account for this difference (two β4 KO males failed to fertilize either of two females, while all WT males produced pups).

In months 4 and 5, these males failed to sire offspring.

If males fail to achieve orgasm then no reproduction occurs.

In some species including rats, mice, gerbils, and rams, apparently normal males fail to copulate when repeatedly tested with receptive females.

In the high-density species, however, males fail to discriminate between male and female trails, not because males are unable to identify female trails (which we show using heterospecific females), but because females do not, as the other species, add a gender-specific cue to their trail.

Sumatran males fail to meet two requirements and Bornean males fail to meet all three.

RTT is a condition with postnatal onset that predominantly affects girls, as males fail to survive beyond infancy.