INDEPENDENT BUT SIMILAR. “Sex-chromosomes in flowering plants have evolved independently but have a number of features in common. The X and Y chromosomes are always the largest chromosomes in the complement (and probably in the entire genus) and the Y chromosomes (or summed Y-multiples) are much larger than the X in all species except Humulus lupulus and Viscum.”
https://lnkd.in/gb3zS32
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022