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What will happen to the son if an egg containing the Xc chromosome for a sex-linked disorder is fertilized by a sperm with a Y chromosome?
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Down syndrome is an example of?
Chromosome Disorder
Is Down syndrome a genetic disorder or a chromosome disorder?
Down syndrome is a chromosomal disorder. It is caused by having 1 extra chromosome (chromosome 21).
Is Edwards syndrome autosomal or sex-linked?
Down Syndrome is a trisomy of the 21st chromosome as opposed to an allelic inheritance through the X chromosome. Trisomy is a somatic disorder caused by improper division during gametogenesis (usually of the ovum) that results in 3 copies of the 21st chromosome in the egg once it is fertilized.
Why can a man who has sex-linked disorder pass the disorder to his daughter but not to his sons?
Sex-linked disorders are passed on the X chromosome. The man supplies the Y chromosome to his sons so the disorder cannot be passed on to the sons. But the man gives his daughter an X chromosome so the disorder can be passed on to her.
Does sickle cell disease require two allele or multiple alleles?
Sickle cell disease is an autosomal reccessive sexlinked trait so, a female msut have 2 recessive alleles to have the trait and a male needs only one allele (this is because there is no corresponding site for this allele on the Y chromosome. The female can be a carrier of the disorder with the defective allele on one X chromosome and a normal allele on the other X chromosome. Female carrriers can have a mixture of normal and abnormal redblood cells.
Is klinefelter syndrome a chromosome disorder?
Yes
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.
Why can a man who has a sex-linked disorder pass the disorder to his daughters but not to his sons?
Sounds like the disorder is genetic and located in his x-chromosome.
Why can a man who has a sex-linked disorder pass the disorder to his daughters but not his sons?
Sounds like the disorder is genetic and located in his x-chromosome.
Down syndrome is a genetic disorder characterized by what?
Additional chromosome
Why are sex linked disorders seen in mostly males?
Males are most likely to have the disorder.
What kind of information in shown on chromosome maps?
Chromosome map tells us about the deletion or insertion or a part of chromosome that is missed which may be a cause to any disorder.
