dimorphic
/dʌɪˈmɔːfɪk
/adjective chiefly Biology
Occurring in or representing two distinct forms: in this sexually dimorphic species only the males have wings...
- In Drosophila, one of the most evident dimorphic traits is represented by the body size, with males being smaller than females.
- This could be tested by comparing winter social systems and degree to which sex ratios are skewed in sexually monomorphic species versus sexually dimorphic species.
- Several pieces of direct and indirect evidence suggest that dimorphic sex chromosomes have evolved from an originally homologous pair of chromosomes.
Derivatives
dimorphism
/ noun ...- I then present a formal model for the evolution of recombination dimorphism on autosomes and on sex chromosomes.
- We used the relative degree of sexual size dimorphism in taxa as an approximate indicator of relative strength of sexual selection in this study.
- Sex chromosomes in M. violaceum were identified by the cosegregation of mating type and chromosome dimorphism and by mating-type-specific markers.
Origin
Mid 19th century: from Greek dimorphos (from di- 'twice' + morphē 'form') + -ic.
- returnability
- returnable
- return address
- return air
- returnal
- return carriage
- return case
- return catch
- return conductor
- return crease
- return current
- return date
- return day
- returnee
- return envelope
- returner
- return fire
- returning board
- returning boomerang
- returning officer
- return key
- returnless
- return mail
- return match
- returnment