Question

In: Biology

Which of the following disorder is not due to an aneuploidy condition? Select one: a. Down...

Which of the following disorder is not due to an aneuploidy condition?

Select one:

a. Down syndrome

b. Klinefelter syndrome

c. Cri du chat syndrome

d. Edwards syndrome

Solutions

Expert Solution

Answer is option c)

Cri du chat syndrome.

Cri-du-chat syndrome is a chromosomal condition that results when a part of chromosome 5 is missing. This is not a aneuplidic condition because aneuploidy is the presence of an unusual number of chromosomes in a cell. In such a condition human cell will have 45 or 47 chromosomes rather than the standard 46 .

Aneuploidy is the presence of an unusual number of chromosomes in a cell. In such a condition human cell will have 45 or 47 chromosomes rather than the standard 46 .

Other options are wrong since this go under aneuploidy condition.

(Trisomy- A hereditary disease wherein an individual has three duplicates of a chromosome rather than two.)

Down syndrome-trisomy of 21 st chromosome.

Edward syndrome-trisomy of 18 th chromosome.

Klinefelter syndrome -It’s a chromosomal disorder in which there is at least one extra X chromosome to a normal male karyotype-46,xy.


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