4 ms·
The genetic explaination I heard was having both full X chromosomes allowed for balance and backup when part of it is corrupted/non functional.
by makeitdouble 3y ago
The genetic explaination I heard was having both full X chromosomes allowed for balance and backup when part of it is corrupted/non functional.
- scarmig 3y agoI was curious to see how this works in birds, which have the ZW system, where Z is the larger chromosome and which males have two of. And, as it turns out, male birds live longer than female ones.