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5 votes
A human female has a special pair of chromosomes that are represented by the letters

a.xx.
b.xy.
c.yy.
d.xz.

2 Answers

5 votes
Females are xx, males are xy.
User ParmuTownley
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7.0k points
3 votes
Females are A. XX. Males are XY :)
User Zik
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6.2k points