THE MOLECULAR BASIS OF INHERITANCE
THE HUMAN GENOME
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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2
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23
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46
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44
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Detailed explanation-1: -In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.
Detailed explanation-2: -In plants and animals (including humans), chromosomes reside in the nucleus of cells. Humans have 22 pairs of numbered chromosomes (autosomes) and one pair of sex chromosomes (XX or XY), for a total of 46.
Detailed explanation-3: -Normal chromosomes are reported as: 44 autosomes plus 2 X chromosomes for a woman (karyotype 46, XX) 44 autosomes plus 1 X and 1 Y chromosome for a man (karyotype 46, XY)
Detailed explanation-4: -An autosome is one of the numbered chromosomes, as opposed to the sex chromosomes. Humans have 22 pairs of autosomes and one pair of sex chromosomes (XX or XY). Autosomes are numbered roughly in relation to their sizes.
Detailed explanation-5: -The human body has 23 pairs of chromosomes, out of which 22 pairs are autosomes and 1 pair is sex chromosome.