State lsquo T rsquo for True option and F for False option and choose the correct option at the end ........

General Science (Easy) Biology

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State ‘T’ for True option and F for False option and choose the correct option at the end

We have a single pair of sex chromosomes in all cells.

Autosomes are 22 pairs of chromosomes.

The human karyotype represents the pair of Effected person has mental retardation

Effected person has furrowed tongue with open mouth

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Explanation:

We have a single pair of sex chromosomes in all cells.

One pair of the 23 chromosomes, known as sex chromosomes, determines at conception whether a fertilized egg will develop into a male or female. Today, human females have one pair of identical X chromosomes. Human males, instead of a matched pair, have one X and one smaller Y chromosome.