Pretty much what the title says.

I have a male royal normal. For example if i bred him with a pastel/spider female would i still only get normals?

Pastel and spider are codominant. Meaning you will get half the morph offspring.

Most genes are recessive, this means you would get normals het for that gene, ie. albino, you'd get normal het albinos.

Female codom morphs are usually quite a bit more expensive than male codoms. If you put two of the same codom together, you can get a "super" morph.

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Go to Genetics questions you were afraid to ask... for the correct definition of the term "codominant".

Besides pastel and spider, lesser platinum, mojave and a few others are possible choices to mate with your normal male.

He's a Spider sibling but as said its a codominant gene so you cant tell

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You can tell...
Spider is co-dom so if he's not a visual Spider, he doesn't carry the gene, regardless of being a sibling??

As said, the only thing that would produce morph offspring would be to breed him to a visual co-dom animal, unless you were lucky enough to get a novel mutation amongst your babies...

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No i can't tell lol, i sold it to him

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Actually, Spider appears to be dominant as far as anyone can tell - there hasn't been a distinguishable homozygous "super" spider. If there isn't a different appearance for a homozygous animal, the gene is dominant, not codominant. Unless of course someone proves out that the trainwrecky wobblers are homozygous spiders... and then you've got a "super spider" whose different phenotype is "trainwreck wobble". To my knowledge, though, this has not been proven to be the case.

You're absolutely right, though, that saying "spider sibling" is essentially pointless... the gene isn't there and in the wrong situations (not saying this is) people can sometimes use that to get more money for an animal on the basis that it "must be het for the gene" when that's not how dominant or codominant genes work.

If you breed your normal to a recessive morph, you'll only get visual normals het for that morph.
If you breed your normal to any codominant morph, you'll get some normals who do not carry the morph trait and some visuals who are het for the morph trait (and SHOW that trait, because a het is visible in codominants). If you bred to a 'super' homozygous animal, you'll get all visual hets and no normals.
If you breed your normal to a dominant morph, you'll get some normals who do not carry the morph trait and some visuals who are known only het for the morph trait (and show it because the het is visible in dominants) - but are indistinguishable from a homozygous animal. If you bred and got ALL visuals consistently from that morph, you know you have a homozygous dominant instead of a het.

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- Ssthisto






Lizards: 2.2 E. macularius, 1.2 H. caudicinctus, 1.0 R. ciliatus, 0.2.1 A. fragilis, 1.1 T. merianae, 1.0 V. niloticus ittibittius
Colubrids: 4.4.8 P. guttattus, 1.0 P. guttatus X E. climacophora, 1.0 P. o. rossalini, 1.0 P. o. lindheimeri, 0.1 E. anomala, 0.1 C. radiatus
1.2 Lamprophis spp, 1.0 L. g. nigritus, 0.1 L. g. californiae, 1.0 H. n. nasicus
Boids: 1.1 E. c. maurus, 0.1 E. conicus, 4.1.6 P. regius, 1.1 A. maculosa
We HAD a three-bedroom house... Current lodgers: 1.0 E. c. maurus, 1.1 E. c. loveridgei

Ah I had no idea Spider was dominant - although Royal morphs aren't really my thing - I think you probably explained the "sibling" bit better than I did...

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yeh so ur wanting to buy a dominant or co-dominant royal morph for ur male to breed with...to be honest with u i would'nt bother buyin a female dom or co-dom morph, for the simple reason that the female can only hav a couple of clutches of eggs per year, where as if u had about 3 female royals and breed the male morph royal too all 3 in the year you will be making alot of money. With the dominant and co-dominant morph, if they are bred to a normal 50% of the clutch will carry the morph gene.

if your after a morph with a dominant gene i wud advise you choose the spider royal for the simple reason that they are a good looking affordable morph.

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1.0 Spider Royal Python from Bob Clark
0.1 Royal Python
1.0 Western Hognose
1.2 True red spiny tailed Ackie Monitors
0.1 Bosc Monitor
1.0 Albino Leopard gecko
0.1 Super hypo/ Het:jungle, albino, Poss Giant Leopard gecko
0.1 Mack Snow Leopard gecko

Just like to mention for the millionth time that 50% of the clutch will not necessarily carry the morph gene... but each individual that is born will have a 50% chance of carrying the morph gene. Completely different and very confusing to newbies, especially ones worried why they are getting clutches with totally different numbers of morphs.

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- Reptiles -1.1.0 Rhacodactlyus ciliatus1.0.1 Pogona vitticeps0.1.0 Eublepharis Macularius0.1.0 Elaphe guttata guttata- Mammals -0.2.0 Octodon degus1.0.0 Oryctolagus cuniculus2.0.0 Cavia porcellus1.0.0 Canis lupus familiaris- Wanted now! -0.0.1 Chamaeleo calyptratus0.1.0 Rhacodactlyus ciliatus1.1.0 Varanus acanthuras brochyuras1.1.0 Eublepharis Macularius- Wanted eventually -1.0.0 Elaphe guttata guttata0.0.1 Brachypelma smithi0.0.1 Chromatopelma cyaneopubescens