The mating process is one of the most important mechanisms for maintaining genetic variation in natural populations. The emergence of sexual reproduction turned out to be the most important ...

Conjugation (or mating) of ciliates is a unique phenomenon among living beings. They have sex not for reproduction or pleasure — they seek to increase genetic variation. Scientists from St Petersburg ...

Considered as an obsolete theory for many years, the transmission of acquired traits has returned to the forefront of debate thanks to the development of epigenetic research. In this context, a team ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 32, No. 6 (Jun. 15, 1946), pp. 173-181 (9 pages) ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 46, No. 3 (Mar. 15, 1960), pp. 344-349 (6 pages) ...