Females of drosophilas select the best sperm, holding or throwing out "samples"

Researchers studied, what factors influence a choice drosophilas of partners for pairing. Biologists from Zurich university and University Concordia studied the processes influencing a choice to females of fruit front sights of sexual partners. Analysis the illuminated sperm showed that females choose partners both in the general health of genes, and in genetic compatibility. Flies of the drosophila use as model for studying of sexual behavior. At these animals males do not participate in education or development posterities. Therefore females can choose as the partner only from the point of view of their genetic...