Improvements in Evolutionary Biology – Repetitive series and Intercourse Chromosome Evolution in Vertebrates

Improvements in Evolutionary Biology – Repetitive series and Intercourse Chromosome Evolution in Vertebrates

1. Introduction

Two major kinds of intercourse chromosome systems occur in vertebrates, XX female/XY male (e.g., human and salmon) and ZZ male/ZW female ( birds and snakes). Just just How these functionally essential chromosomes evolve happens to be a subject for debate for over a hundred years, because the breakthrough regarding the first intercourse chromosomes within the belated 1800s 1–3. Inspite of the fascination with this area, problems in sequencing very repeated Y and W chromosomes have actually hampered progress towards gaining a fuller understanding for the mechanisms tangled up in their development. 继续阅读Improvements in Evolutionary Biology – Repetitive series and Intercourse Chromosome Evolution in Vertebrates