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For the First Few Months After They Met,Jon Really Seemed

question 23

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For the first few months after they met,Jon really seemed to like Luke and enjoy his company.Jon now seems to avoid Luke.Luke heard through friends that Jon doesn't like him much anymore.Luke has experienced:


Definitions:

Sex Chromosomes

Chromosomes, typically designated as X or Y, that determine the biological sex of an organism.

Y Chromosome

The sex chromosome typically associated with male characteristics in humans and most other mammals.

X Chromosome

One of the two sex chromosomes, X and Y, that determine biological sex, with females typically having two X chromosomes.

Menarche

The onset of menstruation in female individuals, marking a key event in female puberty and reproductive maturity.

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