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In humans, the inheritance of many traits, including blood type, is determined by multiple genes. The ABO blood group system is one such example. The ABO system is controlled by three alleles, which are alternative forms of the same gene, on chromosome 9. The three alleles are A, B, and O.
Each person has two copies of the ABO gene, one inherited from each parent. The A and B alleles are codominant, meaning that if a person inherits both A and B alleles, they will express both A and B antigens on their red blood cells. The O allele is recessive, meaning that a person must inherit two copies of the O allele to express the O antigen.
Because both the A and B alleles are codominant, neither is considered dominant over the other. Therefore, males do not carry the A allele as a dominant gene. Instead, they can inherit either the A or B allele from either parent, or they can inherit two copies of the O allele, which would result in the O blood type.
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What else can I help you with?
When will 2 dominate trait show its affect?
In the presence of one dominate gene
What is it called when genes in a gene pair blend together?
They are the genes from the male and female genes , or the X and Y chromosomes. The dominate genes is featured in the offspring.
What gene is a male gene called?
The gene that determines male biological traits is called the SRY gene, which is located on the Y chromosome. This gene plays a crucial role in the development of male sex characteristics during embryonic development.
Is the black male gene dominant over e white male gene?
Yes,
Whats the most popular hair color?
Black because it is a dominate gene.
When does female gene dominate the male gene?
There is not really anything called a male or female gene. There are sex chromosomes: X and Y. If a baby has XY (one from each parent), that child will be male. If the baby has XX, a girl is the result. The Y chromosome doesn't actually dominate but it has all the genes that produce male characterics. If a child is born without it, it will be female.
What is chromosomes theory of inheritances?
We have learned over a very long time that the chromosomes carry genes that determine who we are and what we look like. Some genes are dominate and some are recessive. A person with a widow's peak hair line shows a dominate gene for hair line. He may also carry a gene for "round" hair line but it is recessive and not seen.
When will 2 dominate trait show its affect?
In the presence of one dominate gene
What is it called when genes in a gene pair blend together?
They are the genes from the male and female genes , or the X and Y chromosomes. The dominate genes is featured in the offspring.
Can a a b positive male and o positive female produce a o positive baby?
No as neither carry the B gene.
Is the gene for a miniature breed of dog dominate or recessive?
recessive
How many alleles are usually in the gene pool for each trait?
Each gene has a dominate and recessive allele, so there are two types of alleles in each gene. The dominate allele is stronger than the recessive allele unless there are two recessive alleles.
How would the dominant gene for a tall plant be written?
The dominate gene is written as a capital letter. In this case as a T.
What causes a chicken to be a male or female?
The sex of a chicken is determined by genes when the egg is fertilized. It should be a 50/50 chance of male or female. And in the case of chickens it is the females that have the xy gene that determine sex and males that carry the xx gene, this is opposite of mammals where males with their xy gene determine the sex of the offspring.
What gene is a male gene called?
The gene that determines male biological traits is called the SRY gene, which is located on the Y chromosome. This gene plays a crucial role in the development of male sex characteristics during embryonic development.
Is the black male gene dominant over e white male gene?
Yes,
Whats the most popular hair color?
Black because it is a dominate gene.
