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What is A herterozygous individual who has one allele for a disease but is not affected by it?
Wiki User
∙ 6y ago
a carrier
Wiki User
∙ 6y ago
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What term describes an individual with two copies of the same allele?
The individual with two of the same allele is "homozygous" for a trait.
What is allele fixation?
An allele present in all members of a population
This pedigree is for a human genetic disease called sickle cell anemia. Assuming that the allele for the disease is recessive how many of the females shown have the disease?
None. =]
A healthy individual is a carrier of a lethal allele but is unaffected by it what is the probable genotype of this individual?
N-normal l-lethal Nl so, dominant normal and recessive lethal, making him/her normal but carries a lethal allele.
What is it called having a dominate and recessive allele?
If an individual has one recessive allele and one dominant allele, they are known as heterozygous. The dominant trait will be expressed.
What is it called when you have only one dominant allele to get the disease?
if an indivigual has a dominent allele for a disease he/she is an affected individual.
Will every individual who inherits the allele for Huntington's disease develop the disease?
Yes, Huntington's disease is autosomal dominant with high penetrance. Every individual who inherits the allele gets the disease.
In biology an individual who has one copy of a recessive autosomal allele that causes disease in the homozygous condition?
carrier
Will every individual who inherits the allele for huntington's disease will develope it?
Yes, as long as you carry the gene you will, in some stage of your life develop the disease.
An individual who has one copy of a recessive autosomal allele that causes disease in the homozygous condition?
Is a carrier of that disease. Aa a being the recessive gene
What is the condition that is carried on the x chromosome whereby an affected mother passes the condition to all sons?
for son x chromosome comes from mother and y chromosome from father. If the mother had both allele got affected then the transfer of disease is 100 %. If only one allele is affected then 50% possibility of son getting affected
Can give example about overdominance?
Overdominance is when the heterozygote has an advantage over both the recessive and dominant homozygotes. Sickle cell disease is an example of this. When the individual is homozygous for the sickle cell allele, sickle cell disease is shown. When the the individual is homozygous for the wildtype allele, they appear normal. However, when the individual is heterozygous, he or she appears normal and will also be resistent to malaria.
What chromosome is affected in fabry disease?
The allele that is responsible of Fabry Disorder/Disease is located on the X chromosome and is the only lipid storage disorder identified as being sex linked.
Is the allele causing huntington's disease dominant or recessive?
Huntington's disease is caused by a dominant allele
How is a recessive allele from a dominant allele?
its different because adominant allele is in charge
How a genetic disease can suddenly appear in a family with no previous history of the disease?
It could happen in two main mechanisms: 1) the allele responsible for the disease is recessive and so each of the parents are healthy portators of the allele (heterozygous), and all the sons which are homozygous for the allele (i.e. have two copies of the allele), with a frequency of 1:4, will be affected by disease, but not the others (heterozygouses and homozygouses for the good allele or wild type). 2) the mutation responsible for the disease (that acts in a dominant manner) is not present in any of the parents but happens only during the formations of gametes, and so will be transmitted to the son. There are also other mechanisms that are less frequent and more difficult to explain in a few words.
What is the phenotype of an individual with one allele for dimple and one allele for no dimples?
This would depend on whether the allele for dimples is dominant or recessive. If the allele for dimples is dominant and the no dimples allele is recessive then the phenotype of the individual would be dimpled. If the allele for no dimples is dominant and the allele for no dimples is recessive then the dimples will not be expressed. If these alleles are codominant then the dimples will be expressed but not as much as in an individual who has both alleles for dimples.
