CELL DIVISION
MEIOSIS AND GENETIC VARIATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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XX
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X
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XY
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XXY
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Detailed explanation-1: -Each person normally has one pair of sex chromosomes in each cell. The Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosomes.
Detailed explanation-2: -Typically, biologically male individuals have one X and one Y chromosome (XY) while those who are biologically female have two X chromosomes.
Detailed explanation-3: -Males with XYY syndrome have 47 chromosomes because of the extra Y chromosome. This condition is also sometimes called Jacob’s syndrome, XYY karyotype, or YY syndrome.
Detailed explanation-4: -If you are male, you have an XY pair. If you are female, you have an XX pair. The other 22 pairs are called autosomes, and they are the same in males and females.