When the anlage arrived at the largest size with polytene chromosomes densely packed in it, the DNA contents increased to maximum, i. e., about one half the DNA contents of the vegetative macronucleus.

  • 这一时期的大核原基体积最大,DNA含量达到最高值,接近营养大核DNA含量的一半。

  • 互联网摘选 2025-01-19 23:50:22

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