Answer:
Selective breeding.
Explanation:
Sorry thats the only one i can think of. BTW have u watched lucky star.
I love anime.
This happens early in embryonic development in females, where one of the two X-Chromosomes is randomly (and permanently) inactivated, as you said, in cells other than egg cells.
This phenomonon is actually called X-Inactivation.
X-Inactivation make sure that females, just like males, have a single functional copy of the X Chromosome in each and every one of their cells in their body.
Glad I could help, byee now
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➷ It would be D. 25 degrees. This is because there was the highest oxygen flow at this temperature meaning that the rate of photosynthesis was higher.
➶ Hope This Helps You!
➶ Good Luck (:
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