Homozygous means "the same" and Heterozygous means "different". If a pheno type is homozygous, for example, it could be XX or xx, while heterozygous could be Xx. Hope that helps.
Gastropod
Hope this will help you
<em>Hugs ~L</em>
Inversion cap forms
warm, high pressure air breaks through the cap
air shoots through the break
rain and hail form
condensation keeps the storm growing
anvil top
live or die
mesocyclone
tornado.
