Male or female? In flies, some cells can't tell Date: May 5, 2010 Source: Public Library of Science Summary: An experienced fruit fly researcher can tell at a glance whether the fly she is ...

Intriguingly, most ppk23-expressing cells in the male fruit fly’s forelegs also express a gene called fruitless. Discovered in 1996, this gene seems to govern almost the entire courtship repertoire.

In turn, a male fruit fly will attempt to court a female fly by signaling with his wing and singing. Throughout these interactions, male and female flies determine the other’s sex by employing ...

While male fruit flies preferred to court an unknown female over their previous mate or her sisters, female fruit flies displayed a predilection for their 'brothers-in-law'.

A study by Tulane University researchers has uncovered new insights into how biological sex differences can influence tumor ...

Lastly, the male attempts to mount the female and initiate copulation. If the male's attempt is successful, the lovemaking will last approximately 15 to 20 minutes. If not, the female will abruptly ...

In an evolutionary battle of the sexes, male fruit flies have sharpened their eyesight to avoid being tricked by females seeking food gifts while pretending to be fertile.

Male flies are therefore strongly attracted to alcohol, especially when they are not yet mated. Three different neural circuits in the flies' brains control the response when the flies smell alcohol.

A separate experiment exposed male flies to 30 minutes of either ozone ranging from 50 to 200 ppb or regular air with a much lower amount ozone before being placed them with female fruit flies.

Male fruit flies produce (relatively) gigantic sperm: The animal itself is only a few millimeters long, but his sperm can reach an impressive length of nearly 6 centimeters (2.4 inches).

It can make your mouth water or help sell your home—or, if you're a virgin female fruit fly, ... (those of food and male fruit flies) being scientifically linked in the brain.

Recent work published by Prof. Marianna Wolfner ’74, molecular biology and genetics, and collaborators found that the survival and success of fruit fly sperm after mating depends on proteins in ...