Scientists have discovered the oldest known sex chromosomes in octopuses and squids, dating back 455 million to 248 million years ago—180 million years earlier than the previous record.Ancient chromosomes found ...
Scientists have identified the oldest sex chromosomes on Earth - at least 248 million years old - found in the body of a mysterious creature.For the earliest animals in the ...
The so-called "Superman Syndrome" is not related to the superhero Superman; instead, it refers to a condition classified as chromosomal aneuploidy (an abnormality in the structure or number of chromosomes) ...
