The features that distinguish males from females but are NOT directly involved in producing gametes — like beard, body hair pattern, breast development — are called:
APrimary sexual characters
BEndocrine features
CGenetic features
DSecondary sexual characters
Answer & Solution
Correct answer: D. Secondary sexual characters
Secondary sexual characters appear at puberty and help distinguish adult men from adult women. They are driven by sex hormones — testosterone in boys and estrogen in girls.
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