Sorry, but there is nothing yet known as a replacement for only a single x chromosome.


Perhaps your query is too complicated? For example there are alternatives to the following parts of your query:

only (43)
a (48)
single (57)
x (56)
chromosome (27)

Maybe some reasonable answers will be found next time you come.

Your alternative for only a single x chromosome is not listed? Suggest!


No companions for only a single x chromosome have been suggested so far.
You have in mind a companion for only a single x chromosome and it is not yet here? Propose!



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only a single x chromosome