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Question

The person with Turner's syndrome has


A

45 autosomes and X sex chromosome

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B

44 autosomes and XXY sex chromosome

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C

45 autosomes and XYY sex chromosome

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D

44 autosomes and X sex chromosome

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Solution

The correct option is D

44 autosomes and X sex chromosome


The correct option is D:

Explanation of the correct option:

  1. The person with Turner's syndrome has 44 autosomes and an X sex chromosome.
  2. It is a chromosomal defect found in females.
  3. It is a type of genetic disorder in which the female has less intelligence than other normal females of their age.

Explanation of the incorrect options:

Option A:

Turner's syndrome is not a sex-linked chromosomal disorder.

Option B:

A person with Klinefelter's syndrome shows 44 autosomes and XXY sex chromosomes.

Option C:

A person with turner's syndrome does not have any Y chromosome.

Final answer: The person with turner's syndrome has 44 autosomes and an X sex chromosome.


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