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Shock may develop
23rd Chromosome
One of the pair of chromosomes responsible for determining the sex of an individual, with XX typically denoting female and XY typically denoting male.
Sex Chromosomes
The chromosomes (X and Y) responsible for determining the biological sex of an organism.
Spermarche
The beginning of development of sperm in boys’ testicles at puberty, marking the onset of adolescent fertility.
Testes
The male reproductive glands that produce sperm and the hormone testosterone.
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