<Ul> <Li> In 1677 microbiologist Antonie van Leeuwenhoek discovers spermatozoa . </Li> <Li> In 1841 the Swiss anatomist Albert von Kölliker wrote about spermatozoon in his work Untersuchungen über die Bedeutung der Samenfäden . </Li> </Ul> <Li> In 1677 microbiologist Antonie van Leeuwenhoek discovers spermatozoa . </Li> <Li> In 1841 the Swiss anatomist Albert von Kölliker wrote about spermatozoon in his work Untersuchungen über die Bedeutung der Samenfäden . </Li>

Where is the dna located in the sperm