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A few questions about brooksi morphs

xelda Mar 08, 2005 09:12 PM

1) Are axanthic and anerythristic brooksi the same?

2) What are lavenders?

3) Are snows double homozygous for axanthism and albinism?

4) Are certain combinations of double recessive traits seemingly harder to obtain than the statistical 1/16 prediction?
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chickabowwow

Replies (15)

bluerosy Mar 08, 2005 09:41 PM

1) Are axanthic and anerythristic brooksi the same?

Yes the terms can/have been used interchangably. Though I have recently seen the term anerythristic apply to floridana and not S. florida "brooksi"

2) What are lavenders?

T+ positive albino

3) Are snows double homozygous for axanthism and albinism?
Yes

4) Are certain combinations of double recessive traits seemingly harder to obtain than the statistical 1/16 prediction?

No

xelda Mar 09, 2005 01:37 AM

np
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chickabowwow

ZFelicien Mar 08, 2005 09:47 PM

Quote:
"1) Are axanthic and anerythristic brooksi the same?

2) What are lavenders?

3) Are snows double homozygous for axanthism and albinism?

4) Are certain combinations of double recessive traits seemingly harder to obtain than the statistical 1/16 prediction?"

#1 same gene, they are compatible, yet the two look different, I believe it's a matter of different locale(the appearance is slightly altered as a result of location)

#2 "lavenders" are ruby eyed albino Brooksi... why are the referred to a lavender... I'm not sure I guess it's cuz lavender albino cali kings look very similar ... so y not use a same name?

#3 snows aren't double het, snows express both genes simultaneously (freaky huh)

#4 I have no clue how to answer that since I haven't produced anything...

~ZF

jlassiter Mar 08, 2005 10:38 PM

Xelda,
Yes....snows are double homozygous showing both axanthic and amelanistic traits at the same time.
ZF....Xelda did not ask if they were double het. Check the post again........
Axanthic and Anery are one in the same traits as of now until proved they are in fact different. This question comes up regularily. Anerytherisms are responsible for red-like pigmentation. If something is Axanthic it lacks yellows, oranges and reds.
From the breeding of two alike heterozygous animals you have a 1 in 16 chance of producing a homozygous animal of the carried trait.
Of course.......there are exceptions to the rules on many occasions.
John Lassiter

ZFelicien Mar 08, 2005 11:23 PM

.

Snakesunlimited1 Mar 08, 2005 11:55 PM

n/p

jlassiter Mar 09, 2005 06:24 PM

.

Snakesunlimited1 Mar 09, 2005 06:50 PM

Actually I thought the Ohhh was in response to me letting Zenny know that I had a extra Goini male for him below. I left the forum and came back and saw the post but didn't read above cuz it was so close to my post below. Sorry I wasn't laughing at you or anything. I was hopeing nobody would queastion it.
Later Jason

jlassiter Mar 09, 2005 07:06 PM

Jason,
I did not think you were laughing at ME....I thought you were laughing at Zenny's No Post of OHHHHHHHHHHHHHHHH!
Whatever that means??????
TTYL,
John

xelda Mar 09, 2005 01:35 AM

Are there any known co-dominant or dominant traits?

And doesn't axanthic just mean it lacks yellow (xanthin), not all three pigments? That's why I'm a little confused that the terms are used interchangeably.
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chickabowwow

ChristopherD Mar 09, 2005 01:24 PM

wow i think ill go out on a limb here! the terms are not rock solid because red is so close to yellow .
intense yellow can appear red at least red/orange until diluted i.e. food color powder appears red til diluted. Xanthin and Ereythrin(spell?) are primarily Medical terms you cant define as yellow skin or eyes where red would be a different diagnosis compleatly

bluerosy Mar 09, 2005 02:41 PM

I will have to agree with ChristopherD on the reds, oranges and yellows being the same expression of the same colors.

I asked Dr. Bern Bechtel this question a couple times because in his book he has a pic of a tricolor labled as axanthic when it is considered mostly red by some. He kinda reacted like its no big thing and told me the term axanthic and anery can be used interchangably.

I just went to pick out some paint for my sons room at Lowes. If you have ever picked paint colors you'll understand that most colors are not as simple as black and white.
My son wanted to pick a deep intense yellow in his room so while I was picking through the samples I noticed that the more intense yellows had more red in them to become more intense. So when does red go to orange and then yellow?

Example a neonate brooks/floridana are red when born but loose some of that red as they mature and then turn orange and mostly yellow.

here are some examples of red brooksi and some axanthic genes expressing yellow.

red normal brooksi neonate:

high red hypo brooksi (aka Flame hypo)

Brandon Osborne brought up an interwsting fact when I posted a pic of my snow sulfur brooks. Here you have a double reccessive animal that is supposed to have the yellows eliminated since an "axanthic" (axanthic meaning lacking yellow)was used in the breeding to a T= albino. As you can see it is still expressing the yellows in ths snow.

So to answer your question the terms CAN be used interchangably since we do not have this morph color thing down and naming them is very arbitrary.

Peanut Butter anyone?

xelda Mar 09, 2005 03:52 PM

np
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chickabowwow

bluerosy Mar 09, 2005 04:17 PM

..thats a lot of typing

xelda Mar 09, 2005 04:34 PM

It sure looked like it was. I appreciate the explanation though.
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chickabowwow

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