Unless the second jar contains exactly 10 red and 10 blue marbles, there will have been a purely random shift in the allele frequencies.是什么意思_Unless the second jar contains exactly 10 red and 10 blue marbles, there will have been a purely random shift in the allele frequencies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句