Sorry, I can't figure out the correct results from breeding 2 double co-doms together. Can someone straighten me out. Thanks, Tom.
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Bumblebee X Bumblebee ; Punnett Square
snakewrangler69
Feb 16, 2008 09:58 AM
Replies (3)
LKirkland
Feb 16, 2008 11:03 AM
I rushed through this. Hopefully it's right.
If so, each egg would have the following probabilities:
6.25%---Normal
12.5%---Pastel
12.5%---Spider
25%-----Bumblebee
12.5%---Killer Bee
6.25%---Super Pastel
6.25%---Homozygous Spider
12.5%---Pastel/Homozygous Spider
6.25%---Super Pastel/Homozygous Spider
-----
Louis Kirkland
Cornerstone Reptiles
MATTI1919
Feb 16, 2008 11:06 AM
bumble: PpSs
(P=pastel;S=spider)
PpSs x PpSs
PS Ps pS ps x PS Ps pS ps
------PS----Ps----pS----ps----
PS---PPSS---PPSs--PpSS--PpSs---
Ps---PPSs---PPss--PpSs--Ppss---
pS---PpSS---PpSs--ppSS--ppSs--
ps---PpSs---Ppss--ppSs--ppss--
3/16 killerbee (PPS.)
6/16 bumblebee (PpS.)
1/16super pastel (PPss)
3/16 spider (ppS.)
2/16 pastel (Ppss)
1/16 normal (sspp)
(If a super spider has no further consequences on the phenotypes.)
Paul Hollander
Feb 18, 2008 01:30 PM
I checked both of the earlier replies. Both are correct as far as they go. Louis should have added that he was assuming that we can tell the difference between a heterozygous spider (with a spider gene paired with a normal gene) and a homozygous spider (with a pair of spider genes). MATTI1919 should have added that he was assuming that we cannot tell the difference between the heterozygous and the homozygous spider. Right now we do not know which is correct. Or maybe both are wrong. 
Paul Hollander
