Sentences with phrase «sperm storage organs»
By mating males of each fluorescent color to a single female, the researchers could visualize how sperm behaved and were displaced inside the female sperm storage organs during sequential copulations.1
https://www.the-scientist.com/
In fruit flies, long female sperm storage organs give a boost to males producing longer sperm.
Crickets have one of the better - studied mechanisms of storage: A biomechanical trick in the female cricket's sperm storage organ somehow slows down sperm metabolism, extending their viability to several weeks.
The team found a genetic relationship between the length of a female's sperm storage organ and male's sperm length, meaning when one trait evolves to be longer, the other follows in kind.
These diminutive Romeos place packages of sperm on the outside of the female's body, close to her sperm storage organ, just below her mouth.
Not exact matches
Female sharks do have an organ that allows them to store sperm, but a three - year storage would have been unprecedented.
«The longer a female waited to eject the sperm, the more time it had to enter her storage organs and displace the sperm from her previous mate,» says Pitnick.
«This is indicated by various means, including the re-mating interval; progeny production rate; sperm - storage organ morphology; and the way females store and use sperm.»
When ant queens mate with multiple males their sperm have a single time - window to compete with rival ejaculates for storage in the reproductive organs of the queens.
In Atta leafcutter ants, the negative effect of the seminal fluid of other males was negated by secretion from the queen sperm - storage organ, suggesting that queens may control ejaculate competition after sperm storage.
In these organs, sperm can remain viable for weeks or months, or can be displaced by the sperm of a new suitor as the female remates.JOHN BELOTE, MOLLIE MANIER, AND SCOTT PITNICKVISUALIZING SPERM WARS Though it is difficult to see what goes on inside a female fruit fly after copulation, recent genetic advances have allowed scientists to image sperm competition inside storage organs — the seminal receptacle and spermathecae — of female Drosophila melanogasperm can remain viable for weeks or months, or can be displaced by the sperm of a new suitor as the female remates.JOHN BELOTE, MOLLIE MANIER, AND SCOTT PITNICKVISUALIZING SPERM WARS Though it is difficult to see what goes on inside a female fruit fly after copulation, recent genetic advances have allowed scientists to image sperm competition inside storage organs — the seminal receptacle and spermathecae — of female Drosophila melanogasperm of a new suitor as the female remates.JOHN BELOTE, MOLLIE MANIER, AND SCOTT PITNICKVISUALIZING SPERM WARS Though it is difficult to see what goes on inside a female fruit fly after copulation, recent genetic advances have allowed scientists to image sperm competition inside storage organs — the seminal receptacle and spermathecae — of female Drosophila melanogaSPERM WARS Though it is difficult to see what goes on inside a female fruit fly after copulation, recent genetic advances have allowed scientists to image sperm competition inside storage organs — the seminal receptacle and spermathecae — of female Drosophila melanogasperm competition inside storage organs — the seminal receptacle and spermathecae — of female Drosophila melanogaster.