Biologia IBPaper 2, maj 2025, TZ2wzorowane16 pktotwarteśrednie (szac.)
Consider connections between biological processes at different levels of organization. (a) Outline how mitosis preserves hereditary information in new cells. (b) Describe the role of DNA variation in speciation. (c) Explain the genetic basis of inheritance…
Biologia IBPaper 1, maj 2023, TZ2wzorowane1 pktzamkniętełatwe (szac.)
A diploid root cell of a plant has 2n = 12. It has completed DNA replication and is in late prophase of mitosis. How many chromatids does it contain? A. 6 B. 12 C. 24 D. 48