> I am a computer scientist working on Genetic Algorithms.
>> I have some (candid) questions to ask about the real staff (real evolution):
>> 1 - I would like a confirmation that Cross-over is a mechanism which exists
> when there is sexual reproduction and only then.
Nope. Sexual reproduction and crossing over are not necessarily found
together. There can be genetic recombination (crossing over) without
sex. Examples of such can be found in unicellular organisms such as
Div. Medical Genetics, RG-25
University of Washington
Seattle, WA 98195
wijsman at u.washington.edu
wijsman at saam (bitnet)