Reproduction in Branchiostoma (With Diagram) | Chordata | Zoology

  Sexes are separate but males and females are alike showing no sexual dimorphism. Gonads: The gonads, either testes or ovaries, lie in the ventro-lateral part of the body wall beneath the myotome, projecting into the atrium. There are about 26 pairs of testes or ovaries arranged metamerically, i.e., one pair in each of the segments 25 to 51. They [...]