 |
|
|
| Spermatogenesis takes place in two meiotic steps (M1 and M2). Four haploid sperm cells arise thereby from one spermatocyte 1, two with a Y and two with an X chromosome. The sperm cells thus determine the gender of the descendents. |
|
Spermatogenesis |
|
|
|
M1
M2
|
Meiosis 1
Meiosis 2
|
|
|
|
|
|
|
|
|
Spermatogenesis