Caterpillar genders

[Bruce Walsh]

Ken's comments on butterfly males being XX, while females have a single X
is correct in concept, but the correct genetic notation used for species
where the female is heterogametic (two different types of sex chromosomes)
is WW for males and WZ for females.  

For more information, see

http://nitro.biosci.arizona.edu/courses/EEB320/Lecture07/Lecture07.html

Cheers

Bruce


Bruce Walsh
Associate Professor
Department of Ecology and Evolutionary Biology
Biosciences West
University of Arizona
Tucson,  AZ  85721  USA

email:   jbwalsh at u.arizona.edu
Office:  520 621-1915
Fax (Departmental)  520 621 9190

home page:  http://nitro.biosci.arizona.edu
Quantitative Genetics page:  http://nitro.biosci.arizona.edu/zbook/book.ht
ml
Arizona Moths page: http://nitro.biosci.arizona.edu/zeeb/butterflies/mothl
ist.html
Arizona butterflies page: http://nitro.biosci.arizona.edu/zeeb/butterflies
/seazlist.html

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