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A recessive trait can only be expressed when?
A recessive trait can only be expressed when an individual has two copies of the recessive allele, one inherited from each parent. If only one copy is present, the dominant allele will be expressed instead.
Is hunters disease dominant or recessive?
Hunter's disease is inherited in an X-linked recessive pattern. This means the mutated gene that causes the disease is located on the X chromosome, and males are more commonly affected because they only have one X chromosome. Females can carry the mutated gene but are typically unaffected due to having a second X chromosome that can compensate.
Is an x linked dominant trait the same as an x linked recessive gene?
An X-linked recessive trait is coded for by a gene on the X-chromosome and is not dominant (is canceled out by the presence of a different allele). Example of X-linked recessive traits are; Haemophilia A & B and Duchenne muscular dystrophy.
Does huntington's chorea disease is sex linked or inherited on autosomal genes?
Huntington's disease is inherited in an autosomal dominant pattern, meaning that only one copy of the mutated gene is needed to develop the disorder. It is not linked to sex chromosomes.
Who always wins a dominant gene or a recessive gene?
A dominant gene will be expressed over a recessive gene when both are present in an individual. This means that the trait determined by the dominant gene will be expressed in the individual's phenotype.
How does a person inherit hemophilia and is it dominant or recessive?
It is a sex-linked recessive trait inherited from the mother.
What are the probable mode of inheritance from a pedigree diagram showing phenotypes?
The modes of inheritance are y-linked, x-linked, and mitochondrial. Inherited traits can then be recessive, dominant, or autosomal depending on how they are inherited.
What are the four complex patterns of inheritance?
Autosomal dominant, Autosomal recessive, X-linked recessive and X-linked dominant
How is adrenoleukodystrophy inherited?
It is an X-linked recessive disorder.
If a daughter expresses an x-linked recessive gene she inherited the trait from?
If a daughter expresses an X-linked recessive gene, she inherited the trait from her father who carries the gene on his X chromosome. Since males only have one X chromosome, if they have the gene, daughters will always inherit it from their father.
Why are x linked alleles expressed in males even if they are recessive?
X-linked are not recessive nor dominant. X-linked just do not show. On the sex-linked chromosomes the Y chromosome of the X-Y pair dominates the trait whether its recessive or dominant!Actually, all x-linked alleles are expressed because males only have one x-chromosome, so whatever is there, dominant or recessive, is expressed.
How do you know if a trait is sex linked dominant or sex linked recessive?
A trait is sex-linked dominant if it appears in every generation and affects both males and females. It is sex-linked recessive if it skips generations, more common in males, and passed from carrier females to affected males. Mendelian inheritance patterns can help determine if a trait is sex-linked dominant or sex-linked recessive.
What are some patterns of inheritance in humans?
Autosomal dominant Autosomal recessive X linked recessive.
Is duchenne muscular syndrome dominant or recessive?
It is a recessive X linked form of muscular dystrophy
What are some patterns of humans inheritance?
Autosomal dominant Autosomal recessive X linked recessive.
Lesh-nyhan syndrome how does it inherited?
Lesh-Nyhan syndrome is inherited as a sex-linked recessive disorder.
Is Diabetes Cleft lip Palate autosomal dominant Autosomal recessive sex-linked abnormality of chromosomes or multifactorial?
Sex-linked and Recessive
