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It is 100% possible that a person who has two parents with the disease will be a carrier of the defective gene.

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9y ago
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13y ago

25%

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6y ago

they both willl be mixed

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Q: Sickle-cell anemia is a disease passed by autosomal recessive inheritance. What is the likelihood that a person who has two parents with the disease will be a carrier of the defective gene?
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What is an autosomal dominant disorder that results in a defective or deficient LDL receptor known as?

An autosomal dominant disorder that results in a defective or deficient LDL receptor is known as familial hypercholesterolemia. (FH). Most patient with FH do not live beyond 30 without intervention.


What is a likelihood that a person who has two parents with the disease will be a carrier of the defective gene?

100%


Can you carry the defective gene but not suffer from the disease cystic fibrosis?

Yes, because it is "autosomal recessive hereditary disorder".


How do you get Morquio syndrome?

It is an autosomal recessive trait, which means that both of your parents must pass you the defective gene for you to get the disease.


Is it true that a defective allele always recessive and a normal allele always dominant?

No. The gene that causes Huntington's is caused by an autosomal dominant mutation, and one form of inherited Parkinson's is also caused by an autosomal dominant mutation.


Polycystic kidney disease is inherited as an autosomal dominant trait that is caused by a defective gene leading to the formation of expanded portions of the kidney tubules cysts and progressive re?

True


Porcine stress syndrome?

condition in pigs. It is an inherited, autosomal recessivedisorder due to a defective ryanodine receptor leading to huge calcium influx, muscle contracture and increase in metabolism.


Autosomal recessive?

DefinitionAutosomal recessive is one of several ways that a trait, disorder, or disease can be passed down through families.An autosomal recessive disorder means two copies of an abnormal gene must be present in order for the disease or trait to develop.Alternative NamesGenetics - autosomal recessive; Inheritance - autosomal recessiveInformationInheriting a specific disease, condition, or trait depends on the type of chromosome affected (autosomal or sex chromosome). It also depends on whether the trait is dominant or recessive.A mutation in a gene on one of the first 22 nonsex chromosomes can lead to an autosomal disorder.Genes come in pairs. Recessive inheritance means both genes in a pair must be defective to cause disease. People with only one defective gene in the pair are considered carriers. However, they can pass the abnormal gene to their children.CHANCES OF INHERITING A TRAITIf you are born to parents who both carry an autosomal recessive change (mutation), you have a 1 in 4 chance of getting the malfunctioning genes from both parents and developing the disease. You have a 50% (1 in 2) chance of inheriting one abnormal gene. This would make you a carrier.In other words, if four children are born to a couple who both carry the gene (but do not have signs of disease), the statistical expectation is as follows:One child is born with two normal genes (normal)Two children are born with one normal and one abnormal gene (carriers, without disease)One child is born with two abnormal genes (at risk for the disease)Note: This does not mean that children will necessarily be affected.See also:Autosomal dominantGenetic counseling and prenatal diagnosisHeredity and diseaseSex-linked dominantSex-linked recessive


What is the incidence of ALA dehydratase deficiency porphyria?

This porphyria type is very rare as it involves the inheritance of 2 recessive defective genes from each parent.


What causes Fabry's disease?

Fabry's disease has an X-linked, recessive pattern of inheritance, meaning that the defective gene is carried on the X chromosome.


How do you get Apert syndrome?

Apert syndrome is a genetic defect, so that means that the child will have it from conception (it's an autosomal dominant genetic defect, which means that only one parent needs to supply the defective gene in order for the child to be born with it.)


What is the inherited version of Olivopontocerebellar atrophy?

Hereditary OPCA, also called inherited OPCA and familial OPCA, is caused by inheritance of a defective gene, which is recognized in some forms but not in others.