I've read that one of the X chromosomes in females is essentially inactivated (by methylation? I've dredged the term "Barr body" from my genetics of 40 odd years ago). However if one of the X...
Organisms have different chromosome numbers. I'm wondering how this can evolved. If an organism has something that occurs to change its chromosome number (splitting, agglomeration, whatever) how could...
In the history note at the conclusion of this (excellent) book, Sansom correctly says that after Henry VIII's death, Catherine Parr married Sir Thomas Seymour and Princess (later Queen) Elizabeth went...
