FROG SEX CHROMOSOMES. “The existence of both male and female heterogametic individuals in one species is an extremely rare situation in nature, because some sex chromosome combinations produce offspring with sex ratios different from 1:1.”
http://www.pnas.org/content/112/34/E4752.full
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022