[ **up: [[Rodents]] | [[Hamsters|Cricetinae (Subfamily)]]** ] --- # Lemmings / Arvicolinae (Subfamily) --- ## Taxonomy - **[[Life (Biology)]]** - **[[Eukaryotes|Eukaryota (Domain)]]** - **[[Animals|Animalia (Kingdom)]]** - [[Chordates|Chordata (Phylum)]] - [[Mammals|Mammalia (Class)]] - [[Therians|Theria (Subclass)]] - [[Placentals|Eutheria (Infraclass)]] - [[Rodents|Rodentia (Order)]] - [[Cricetidae (Family)]] - [[Lemmings|Arvicolinae (Subfamily)]] <small>LEMMINGS</small> ---- ## Description ### Genetics #### Diverse sex determination system (Fertile XY females) [[2025-0313. 'In mammals, there are indeed a few natural exceptions to the standard XX-XY sex determination system.'|’In mammals, there are indeed a few natural exceptions to the standard XX/XY sex determination system (SDS). For example, fertile XY females are found in natural populations of several lemmings …’]][^1] - *See:* [[Wood lemming#Sex determination|Wood lemming – Sex determination (XX or XY females, and XY males)]] - *See:* [[Arctic lemming#Sex determination|Arctic lemming – Sex determination (XX or XY females, and XY males)]] [^1]: P. A. Saunders, et al., ‘[[Saunders, et al. ‘Masculinised behaviour of XY females in mammal with naturally occurring sex reversal’, 2016.|Masculinised behaviour of XY females in a mammal with naturally occurring sex reversal]]’, *Scientific Reports*, vol. 6 (11 March 2016), p. 1.