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What is the genotype of an ALD boy?
The genotype of an ALD (adrenoleukodystrophy) boy is typically X-linked recessive. This means that the boy has a mutation on the X chromosome, which is responsible for the development of the disease. Typically, the genotype is represented as XL for an affected boy.
Is there an X or Y chromosome in an egg?
An egg will have the X chromosome and the sperm will have an X or Y chromosome.
Why does the X chromosome affect an organisms phenotype more than the Y chromosome?
The X chromosome contains considerably more genetic material than the Y chromosome.
Why does a sex-linked trait only require one recessive allele on the X chromosome of a male to show the phenotype?
Because males have only one X chromosome, any recessive allele present on that X chromosome will be expressed in the phenotype. In females, who have two X chromosomes, the presence of a dominant allele on one X chromosome can mask the expression of a recessive allele on the other X chromosome.
Which type of chromosome does the female parent give to it's offspring?
The female parent contributes an X chromosome to its offspring. In humans, females have two X chromosomes (XX), so they can only pass on an X chromosome. If the offspring receives an X chromosome from the male parent (who can contribute either an X or a Y chromosome), the offspring will be female (XX); if the offspring receives a Y chromosome from the male, it will be male (XY).
Is adrenoleukodystrophy dominant or recessive?
This disease results from a mutation on the x-chromosome. It's recessive considering that a dominant will only cover up things that have occur, for example the damage that has occured, with something else. A recessive will continue to give latent traits. The allele in Adrenoleukodystrophy can only be caused by heredity mutation thus making it recessive.
How did lorenzo inherited ald from his mother?
Lorenzo inherited adrenoleukodystrophy (ALD) from his mother through an X-linked recessive inheritance pattern. This means that the gene mutation responsible for ALD is located on the X chromosome. Since females have two X chromosomes, a mother carrying one mutated copy can pass it to her son, who has only one X chromosome inherited from her. As a result, if that X chromosome carries the mutation, her son, like Lorenzo, can develop ALD.
How is adrenoleukodystrophy inherited?
It is an X-linked recessive disorder.
What gene is Adrenoleukodystrophy on?
it is x linked an dpass down by the mother
Is an x chromosome and chromosome the same thing?
An x chromosome is specifically a feminine chromosome. With a x and y chromosome its male, with a x and x, it is a female.
What is the genotype of an ALD boy?
The genotype of an ALD (adrenoleukodystrophy) boy is typically X-linked recessive. This means that the boy has a mutation on the X chromosome, which is responsible for the development of the disease. Typically, the genotype is represented as XL for an affected boy.
Why is x chromosome called x?
An X chromosome is known as an X chromosome based on its shape, which resembles an X. The Y chromosome resembles a Y.
Does an x chromosome looks the same as a y chromosome?
No. An 'X' chromosome looks like an 'X'. The 'Y' chromosome looks like a deformed 'X'. It is noticeably different to an 'X' chromosome. Also, the 'Y' chromosome is only a third of the size of an 'X' chromosome - an 'X' chromosome is 155 million base pares, while the 'Y' chromosome is only 58 million base pairs.
What gene carries Adrenoleukodystrophy?
The United Leukodystrophy Foundation (see related links) mentions an x-linked adrenoleukodystrophy, as well as other adrenoleukodystrophies that have multiple possible genetic causes.
How can Adrenoleukodystrophy be treated?
It can be treated by blood tests and sampling the affected X-chromosomes from the patient.
What sex chromosome is present in all humans?
There are two sex chromosomes: the X chromosome and the Y chromosome. During fertilization, the mother always gives an X chromosome and the father gives either another X chromosome or a Y chromosome. Therefore, all humans have at least one X chromosome.
What does it means when the X Chromosome is higher than the Y Chromosome?
The X chromosome is stood on a yellow pages
