[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Cladistics question-hybrids
hey all......
after hearing on the news of the recent camel/llama cross, I'm suddenly
wondering how cladistics would show such an animal if it could have
offspring.
The regular mapping I've seen is this:
animal a animal b
\ \ /animal c
\ \ /
\ \ /
\ \ /
\ /
\ /
/
How does one show a hybridization between two similar types (b and c-the
closest species possible?-say domestic dog and grey wolf)
Little plus signs if it stabilizes it's genotype and breeds true to its
form?
What about from different branches such as a and c (say domestic cat and
asian snow leopard)? Do you draw a big line across your tree? Do you
re-arrainge your tree so they're next to each other? I think one of the
rarer show cats, the Bengal, is supposed to be such a cross.
I know hybridization occurs most frequently with human intervention, but
isn't there a way to clade it?
-Betty Cunningham
(not exactly dinosaurs but certainly applicable)