Reptile & Amphibian Forums

Dave I think I just learned how to do dihybrid crosses in brb's and I was wondering if you could double check me if you didn't mind. I chose to cross an anery and a double-het (albino anery), this would not be the best cross but gives me a little diversity so I chose it. I got

1/4 Anery's
1/4 Anery's Het. for Albino
1/4 Normal but Het. for Anery
1/4 Double Het.

Don't you simplify that to:

1/2 Anery with 50% of Het. for Albino
1/2 100% Het. for Anery and 50% for Albino

I hope I did right cuz I have been working hard at it (had trouble finding out how to start it off with the parents' gametes) but I might have gotten lucky.
Bob

>1/2 100% Het. for Anery and 50% for Albino

Some pointers:
"50% for albino" is better written as "50% PROBABILITY HET albino".

"100% PROBABILITY Het. for Anery" is a long way of writing "het anery". Both mean that that the animal has a normal gene paired with an anerythristic mutant gene.

In this sort of question, my old genetics prof always said to show the work. That way he could tell whether an answer was a triumph of good luck over bad technique and where a wrong answer ran off the track.

Paul Hollander

Thanks for the check-up Paul and I appreciate the time. I did the work right but there was definitely a problem with wording-user error.
Bob

Paul already gave you great info on how to better word it. Other than that, I have nothing to add except your percentages are correct.

>>Dave I think I just learned how to do dihybrid crosses in brb's and I was wondering if you could double check me if you didn't mind. I chose to cross an anery and a double-het (albino anery), this would not be the best cross but gives me a little diversity so I chose it. I got
>>
>>1/4 Anery's
>>1/4 Anery's Het. for Albino
>>1/4 Normal but Het. for Anery
>>1/4 Double Het.
>>
>>Don't you simplify that to:
>>
>>1/2 Anery with 50% of Het. for Albino
>>1/2 100% Het. for Anery and 50% for Albino
>>
>>I hope I did right cuz I have been working hard at it (had trouble finding out how to start it off with the parents' gametes) but I might have gotten lucky.
>>Bob
-----
Thanks,

Dave Colling

www.rainbows-r-us-reptiles.com

0.1 Wife (WC)
0.2 kids (CBB, selectively bred from good stock)

LOL, to many snakes to list, last count:
12.25 BRB
12.14 BCI
And those are only the breeders

lots.lots.lots feeder mice and rats