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Spitzhaubens

Somewhere on BYC, I read that chicks from a gold Spangled roo over a silver Spangled hen are sex linked. Correct?
Correct
Never heard of that before, interesting :pop

Very interesting. What genetics would those chicks then have?
All the females will be gold, all the males will be silver split to gold.

That means the males hatch yellow and grow up to be white with yellow leakage. (The females hatch red or orange.)
I... Have no idea... Maybe ask the experts? I know barely anything on genetics , but I would love to learn :p
I am no expert, but I understand it, so hopefully I can explain it properly.

The gold gene is located on the sex chromosome. It is partially recessive to the non-gold gene (the silver gene). (Edited cuz I got that backwards on accident. Silver is partially dominant to gold.)

Females only have one sex chromosome, so they only get one copy, either of gold OR silver. They always get this from their father, never from their mother.

Males have two sex chromosomes: one from their father and one from their mother. Since their mother only has one copy, they automatically get what she has. Then how they look will be determined by what they get from their father.

Two copies of gold makes an orange or red based bird. Two copies of silver makes a white bird. One copy of each makes a white bird with a lot of yellow tint.

So, a red father (2 copies of gold) is going to give a gold gene to each offspring, whether male or female. A silver mother is going to give her silver gene to the boys, and ONLY to the boys. Now you have chicks that look different. Darker females (reddish to orangish based) and lighter males (pale yellow like any regular white chicken hatches out.)

There are other factors in chicken genetics that can affect the silver and gold and make some breeds less simple than this explanation. I seem to remember when I was hatching out Spitz mix chicks, that the black and grey down areas cover up some of the yellow areas. It was hard for me to tell the pure silver apart from the silver split to gold. (I didn’t have pure gold in my mix.) The silver split to gold have a slightly darker yellow color than the pure silver. But it ought to be easy enough to tell the pure gold apart from the silver split to gold.

I hope this explains what you want to know without adding confusion.
 
Correct



All the females will be gold, all the males will be silver split to gold.

That means the males hatch yellow and grow up to be white with yellow leakage. (The females hatch red or orange.)

I am no expert, but I understand it, so hopefully I can explain it properly.

The gold gene is located on the sex chromosome. It is partially recessive to the non-gold gene (the silver gene). (Edited cuz I got that backwards on accident. Silver is partially dominant to gold.)

Females only have one sex chromosome, so they only get one copy, either of gold OR silver. They always get this from their father, never from their mother.

Males have two sex chromosomes: one from their father and one from their mother. Since their mother only has one copy, they automatically get what she has. Then how they look will be determined by what they get from their father.

Two copies of gold makes an orange or red based bird. Two copies of silver makes a white bird. One copy of each makes a white bird with a lot of yellow tint.

So, a red father (2 copies of gold) is going to give a gold gene to each offspring, whether male or female. A silver mother is going to give her silver gene to the boys, and ONLY to the boys. Now you have chicks that look different. Darker females (reddish to orangish based) and lighter males (pale yellow like any regular white chicken hatches out.)

There are other factors in chicken genetics that can affect the silver and gold and make some breeds less simple than this explanation. I seem to remember when I was hatching out Spitz mix chicks, that the black and grey down areas cover up some of the yellow areas. It was hard for me to tell the pure silver apart from the silver split to gold. (I didn’t have pure gold in my mix.) The silver split to gold have a slightly darker yellow color than the pure silver. But it ought to be easy enough to tell the pure gold apart from the silver split to gold.

I hope this explains what you want to know without adding confusion.
Thank you! Thats very interesting. What would happen with a silver roo over a gold hen? I have a silver roo with a yellow tint, is he a gold cross? Or is that just a defect in light colored birds?
 
Correct



All the females will be gold, all the males will be silver split to gold.

That means the males hatch yellow and grow up to be white with yellow leakage. (The females hatch red or orange.)

I am no expert, but I understand it, so hopefully I can explain it properly.

The gold gene is located on the sex chromosome. It is partially recessive to the non-gold gene (the silver gene). (Edited cuz I got that backwards on accident. Silver is partially dominant to gold.)

Females only have one sex chromosome, so they only get one copy, either of gold OR silver. They always get this from their father, never from their mother.

Males have two sex chromosomes: one from their father and one from their mother. Since their mother only has one copy, they automatically get what she has. Then how they look will be determined by what they get from their father.

Two copies of gold makes an orange or red based bird. Two copies of silver makes a white bird. One copy of each makes a white bird with a lot of yellow tint.

So, a red father (2 copies of gold) is going to give a gold gene to each offspring, whether male or female. A silver mother is going to give her silver gene to the boys, and ONLY to the boys. Now you have chicks that look different. Darker females (reddish to orangish based) and lighter males (pale yellow like any regular white chicken hatches out.)

There are other factors in chicken genetics that can affect the silver and gold and make some breeds less simple than this explanation. I seem to remember when I was hatching out Spitz mix chicks, that the black and grey down areas cover up some of the yellow areas. It was hard for me to tell the pure silver apart from the silver split to gold. (I didn’t have pure gold in my mix.) The silver split to gold have a slightly darker yellow color than the pure silver. But it ought to be easy enough to tell the pure gold apart from the silver split to gold.

I hope this explains what you want to know without adding confusion.
Thank you so much!!
 
Thank you! Thats very interesting. What would happen with a silver roo over a gold hen? I have a silver roo with a yellow tint, is he a gold cross? Or is that just a defect in light colored birds?
He could be. I think there are other factors that can make a white bird have some yellow? Is he a Spitz? Maybe if you post his photo, we can tell?

A pure silver rooster over a gold hen will produce all silver girls and silver/gold boys (The / means “split to”.) This is where it could be tricky to tell what shade of yellow each chick has.

A silver/gold rooster over a silver hen will produce:
silver females
gold females
pure silver male
silver/gold males

Oh, and to help confuse things more, people often call the silver/gold males “goldens”. I think that’s confusing because in the non-chicken world, gold and golden are often used interchangeably. People struggling to learn chicken genetics can understandably get mixed up when a chicken person calls a bird golden and they don’t mean gold. It’s a very fine point that’s easily missed. A lot of genetic terms are that way.
 
He could be. I think there are other factors that can make a white bird have some yellow? Is he a Spitz? Maybe if you post his photo, we can tell?

A pure silver rooster over a gold hen will produce all silver girls and silver/gold boys (The / means “split to”.) This is where it could be tricky to tell what shade of yellow each chick has.

A silver/gold rooster over a silver hen will produce:
silver females
gold females
pure silver male
silver/gold males

Oh, and to help confuse things more, people often call the silver/gold males “goldens”. I think that’s confusing because in the non-chicken world, gold and golden are often used interchangeably. People struggling to learn chicken genetics can understandably get mixed up when a chicken person calls a bird golden and they don’t mean gold. It’s a very fine point that’s easily missed. A lot of genetic terms are that way.
It's hard to see on this gloomy day. He's the farther one in the third picture. Also, do you think he has squirrel tail?
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