Julie
My blogs
| Location | Midlands |
|---|---|
| Introduction | Why 45/46? Humans have 23 chromosome pairs, of which just one chromosome differs between the sexes. Therefore I'm still 45 parts girl out of 46. |
Blogger
| Location | Midlands |
|---|---|
| Introduction | Why 45/46? Humans have 23 chromosome pairs, of which just one chromosome differs between the sexes. Therefore I'm still 45 parts girl out of 46. |