sex chromosome
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
Either of the pair of chromosomes, typically X and Y, that determine an individual's biological sex.
Test yourself
Which word fits the gap? "Humans typically have two _____, XX in females and XY in males."
Answer: sex chromosome
In your own words, what does "sex chromosome" mean?
Either of the pair of chromosomes, typically X and Y, that determine an individual's biological sex.
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