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Analysis Of Ichthyosis
Ichthyosis is a rare hereditary skin disease with a worldwide incidence rate is around 4 per thousand. Since skin is the biggest organ of our body, ichthyosis seriously damages the normal sweat and metabolic function of the skin. Therefore the patient's skin appears at different degrees of dry peeling, keratosclerosis hardening, and the skin is covered with brown scale, which is common in human limbs. Those severe patients with thickening dark scale and full of the whole body, which seriously affects not only the normal life but also even the metabolism of kidney and other organs, also do harmful to the health of those severe patients.
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When does a recessive trait dominant over a dominant trait?
A recessive trait cannot be dominant over a dominant trait. Dominant traits are always expressed over recessive traits in heterozygous individuals because they mask the expression of the recessive trait.
Which form of gene pair is expressed when both dominant and recessive are present?
In a situation where both a dominant and recessive allele are present in a gene pair, the dominant allele will be expressed phenotypically. The presence of a dominant allele overrides the expression of the recessive allele.
What is dominant recessive?
There is dominant and there is recessive. There is no dominant recessive. A dominant gene will always be expressed when present, such as in the homozygous dominant genotype (RR), or heterozygous genotype (Rr). A recessive allele is only expressed when the genotype is homozygous recessive (rr).
What is allele masked by the dominant allele?
An allele that is masked by the dominant allele is called a recessive allele. When an individual has one dominant allele and one recessive allele, only the trait determined by the dominant allele will be expressed. The recessive allele will only be expressed if an individual has two copies of it (homozygous recessive).
What is the different between dominant and recessive?
Dominant trait is the one which is expressed when the homologous pair of genes controlling it are either homozygous or Hetrozygous dominant; on the other hand recessive trait has both genes to be homozygous recessive. in fact trait is controlled by the form of genes. Dominant gene expresses even when it is in the company of recessive gene. However recessive gene expresses only when in company of recessive gene
What can be dominant or recessive?
Alleles can be dominant or recessive
Is melanoma dominant or recessive?
is malignant melanoma dominant or recessive
What is the difference dominant and recessive trait?
Dominant traits are the traits that mask the recessive traits. The dominant traits are stronger than recessive!
Is a situation in which a dominant allele completely masks a recessive allele for a gene.?
If you have 2 dominant alleles, the gene will be dominant, if you have 2 recessive alleles, the gene will be recessive. But if you have 1 recessive and 1 dominant, the Dominant allele will mask the recessive one.
How do you xxplain dominant and recessive?
Recessive
Is AAA recessive or dominant?
recessive
When does a recessive trait dominant over a dominant trait?
A recessive trait cannot be dominant over a dominant trait. Dominant traits are always expressed over recessive traits in heterozygous individuals because they mask the expression of the recessive trait.
Is restless leg dominant or recessive?
is restless leg syndrome dominant or recessive
Which form of gene pair is expressed when both dominant and recessive are present?
In a situation where both a dominant and recessive allele are present in a gene pair, the dominant allele will be expressed phenotypically. The presence of a dominant allele overrides the expression of the recessive allele.
Is arthritis dominant or recessive?
it is dominant
What is achondroplasia's karyotype?
Achondroplasia is caused by a mutation in the FGFR3 gene and is not related to a specific karyotype. It is inherited in an autosomal dominant pattern, and individuals with achondroplasia typically have a normal karyotype (46 chromosomes in humans).
Is webbed feet dominant or recessive?
recessive.
