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    Genetic 342 A&B Kenneth G Wilson Professory of Botany  | 
  
Sex Determination - XY
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| Sex Chromosome of Male is the Y and the female is X | The Gamete of the male is the sperm and the female is the "egg" | 
Sex determination in fowls, pill bugs and moths
| ZZ is male | ZW is female | 
| homogametic sex | hetero gametic sex | 
Environmental determination of sex Crepidula fornicata - slipper limpet

Sex Wars - Pill bug males converted to females by bacteria
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    This is our friend Oliver the parrotlet, Oliver is a true parrot, the smallest in the world.  |