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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.
Why are female carriers?
Females carry two X chromosomes; males only carry one. A female carrier carries a defective recessive allele for a gene on the X chromosome. Thus, the female will not be affected because she still has a copy of the dominant allele. However, if she has any male children, that child will be affected because males inherit their X chromosome from their mothers.
Why can females but not males be carriers of sexlinked genetic disorders?
Several genetic disorders are caused by genes on the X chromosomes.
What gene is affected by Barth syndrome?
Barth syndrome occurs when a person is born with a mutated, or abnormal, TAZ1 (or G4.5) gene. This abnormal gene is located on the X chromosome, which is a sex-determining chromosome. Males have one X and one Y chromosome, while females have two X chromosomes.
What is xp21 gene?
Dystrophin gene / Xp21 gene / DMD gene: Found at locus Xp21 of the X chromosome, this is why it's called the (Xp21 gene) It's the gene responsible for Duchenne muscular dystrophy(DMD) when mutated, this is why it's called (DMD gene)
What chromosome is polycystic kidney disease found?
It is a mutated gene called PKD1 located on chromosome 16.
What chromosome number is affected in Lowe syndrome?
Lowe syndrome is caused by a mutated gene on the X sex chromosome. Because it is X-linked, it occurs almost exclusively in males.
On which chromosome is the defective gene located in Hurler's syndrome?
The defective gene in Hurler syndrome is located on chromosome 4. This gene carries instructions for making an enzyme called alpha-L-iduronidase, which is essential for breaking down certain complex molecules in the body. When this gene is mutated, the enzyme is deficient, leading to the accumulation of harmful substances in the cells.
What kind of gene pair is found in the female carrier of a sex linked disorder?
In the female carrier of a sex-linked disorder, there would typically be one normal allele and one mutated allele for the gene associated with the disorder on the X chromosome. This is because females have two X chromosomes, and one copy of the X chromosome with the mutated allele can be masked by the normal allele on the other X chromosome.
Is fragile x syndrome sex linked?
Yes. It is found as a mutation on the X chromosome (a sex chromosome) so it is sex linked. The gene for Fragile X is carried on the X chromosome. Because both males (XY) and females (XX) have at least one X chromosome, both can pass on the mutated gene to their children.
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.
Why are female carriers?
Females carry two X chromosomes; males only carry one. A female carrier carries a defective recessive allele for a gene on the X chromosome. Thus, the female will not be affected because she still has a copy of the dominant allele. However, if she has any male children, that child will be affected because males inherit their X chromosome from their mothers.
What is Inherited on a sex chromosome that can cause human genetic disorder such as color blindness and hemphilia?
Inherited on a sex chromosome, genetic disorders such as color blindness and hemophilia are caused by mutations in specific genes located on the X chromosome. These disorders are more commonly seen in males because they have only one X chromosome, making them more likely to express recessive X-linked traits. Females, with two X chromosomes, are typically carriers of the mutated gene but may not exhibit the disorder unless they inherit two copies of the mutated gene.
Why does Duchenne muscular dystrophy affect boys?
Duchenne muscular dystrophy is inherited as an X-linked recessive genetic disorder, meaning the gene mutation that causes the condition is located on the X chromosome. Since boys have only one X chromosome inherited from their mother, they are more likely to develop Duchenne muscular dystrophy if they inherit the mutated gene. Girls have two X chromosomes, so even if they inherit one mutated gene, they often have a second normal X chromosome that can compensate for the mutation.
How do children inherit DMD?
Duchenne Muscular Dystrophy (DMD) is inherited in an X-linked recessive pattern, primarily affecting boys. The gene responsible for DMD, the dystrophin gene, is located on the X chromosome. Males have one X and one Y chromosome, so if they inherit the mutated X chromosome from their mother, they will develop the disorder. Females, having two X chromosomes, can be carriers if they inherit one mutated copy but usually do not exhibit severe symptoms due to the presence of a normal copy of the gene.
What various types of genetic material in order from simplest to most complex?
nucleus → chromosome → gene
List these in order from smallest to largest chromosome gene cell?
Smallest to largest: Gene (a place on a chromosome); chromosome (there are 46 in human cells); and DNA (because it accounts for all the genetic material in a cell).
