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How is Sandoff disease passed on in families?
an autosomal recessive disorder, meaning that having an affected offspring requires both unaffected parents to be carriers. Parents who carry the disorder will have a 25% risk of having an affected offspring in subsequent pregnancies.
Difference between an autosomal recessive disorder and an autosomal dominant disorder?
autosomal dominant is only when one allele is messed upautosomal recessive is when you give the disease to your child 50/50 chance.Not true.... 50/50 when its Autosomal Dominant(see below)Recessive InheritanceBoth parents carry a normal gene (N), and a faulty, recessive, gene (n). The parents, although carriers, are unaffected by the faulty gene. Their offspring are affected, not affected, or carriers. This type of inheritance was first shown by Mendel.Dominant InheritanceOne parent has a single, faulty dominant gene (D), which overpowers its normal counterpart (d), affecting that parent. When the affected parent mates with an unaffected and non-carrier mate (dd), the offspring are either affected or not affected, but they are not carriers.
What kind of diseases are the most common genetic diseases For example those in which both parents may be carriers of the disease without knowing it because they don't actually have the disease?
What kind of diseases are the most common genetic diseases? (For example, those in which both parents may be carriers of the disease without knowing it because they don't actually have the disease.)
Give an example of why heredity can be a disadvantage to the young?
If the older generation has a disease or sth harmful, it can be passed down to the newer generations, hence causing the young to have that particular disease or abnormality.
Is chrons disease genetic?
There is some correlation between Crohn's disease and genetic but so far there is no definitive answer. Family history often shows others in the family of a patient have had some form of bowel disease. There is a great chance of a child of a Crohn's patient developing the disease later in life but the disease seems to be able to skip generations.
Is sickle cell disease dominant or recessive?
The disease is recessive, requiring both parents to carry the allele for the disease to be found in the offspring. If one parent has it, the offspring can also be a carrier, but it will be recessive, and the offspring will have normal RBC (red blood cells)
What is an individual who has a recessive disease causing allele?
An individual with a recessive disease-causing allele carries one or two copies of the allele for the disease but may not exhibit symptoms if they have a dominant normal allele. If they have two recessive alleles, they will typically express the disease. Carriers, who possess one recessive allele and one normal allele, can pass the allele to their offspring, potentially leading to the disease in subsequent generations if both parents are carriers.
. Is a person who is homozygous recessive for a recessive genetic disease a carrier?
No, because he or she cannot pass the gene on to his or her offspring (because he or she does not have a copy of the gene).
Many serious diseases can be passed from parent to offspring through genes. In which case given below is a recessive disease NOT able to be passed on?
A recessive disease is not able to be passed on if both parents are carriers of the gene but do not express the disease themselves. In this case, the offspring would only inherit the disease if they receive two copies of the recessive gene, one from each parent. If the child inherits only one recessive gene and one dominant gene, they will be a carrier but will not exhibit the disease. Thus, the disease can only be passed on if both parents contribute the recessive allele.
What is a sentence for recessive trait?
Althought the diabetes skipped many generations in my family, it was apparently a recessive trait because the newborn was diagnosed with the disease.
Is a person who is homozygous recessive for a recessive genetic disese a carrier?
As long as a persons genotype consists of at least one recessive gene, they can pass it on to offspring to give them the disease, which makes them a carrier. Since this persons genes are both recessive, it is definite that they will pass on the recessive gene.
A disease caused by mutated recessive genes that can be passed along for generations with no expression is?
cystic fibrosis
How can use recessive trait in a sentence?
Althought the Diabetes skipped many generations in my family, it was apparently a recessive trait because the newborn was diagnosed with the disease.
Is it true carriers of genetic diseases who do not have the disease themselves have recessive genes for the disorder?
Yes. They can pass it on to their offspring.
Why are lethal homoygous recessive disease are rarley elimimated from a population?
Because as they are homozygous recessive they are only lethal when a person inherits an allele from both parents, meaning that each parent must be heterozygous carriers of the gene, and even then it's only a 1 in 4 chance that the offspring will be homozygous recessive and therefore it's unlikely they will die. And if they do not die then the will survive to likely pass on the gene.
An individual who has one copy of a recessive autosomal allele that causes disease in the homozygous condition?
They are a carrier of the disease but do not show any symptoms because they have one normal allele that can compensate for the recessive disease-causing allele. If they have children with a partner who is also a carrier, there is a chance their offspring may inherit two copies of the disease-causing allele and develop the disease.
What is an individual who has a recessive disease causing allele at a particular gene on one chromosome and a normal allele at that gene on the other chromosome?
An individual with a recessive disease-causing allele on one chromosome and a normal allele on the other chromosome is referred to as a heterozygote for that gene. Since the disease is recessive, the normal allele typically masks the effects of the recessive allele, meaning the individual usually does not exhibit symptoms of the disease. However, they can still pass the recessive allele to their offspring.
