"However, throughout each chromosome there are many similar DNA sequences that can overlap incorrectly, and pair with the wrong sequence. It is believed that when the exchange of genetic material, known as ‘crossing over’, occurs after mismatching, it is unequal, looping out and excising a length of the chromosome." nghĩa là gì? (Ko dùng ứng dụng dịch và khó)
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Sinh Học lớp 12
