Compare preservation of chromosome number and genetic identity in mitosis with reduction and variation in meiosis.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Which event can occur in both mitosis and meiosis? A. A diploid chromosome number is halved in each daughter nucleus B. Homologous chromosomes form bivalents before the first division C. Exchange of chromosome segments is obligatory in every division D.…
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
Informacja do zadań 3 a-3 b. A fallen willow trunk remains alive. Four branches in contact with damp ground form roots and grow as separate trees, without fertilization. Zadanie 3 b. Predict, with a reason, how similar the four trees’ genome sequences will be.
Informacja do zadań 3 a-3 b. A fallen willow trunk remains alive. Four branches in contact with damp ground form roots and grow as separate trees, without fertilization. Zadanie 3 b. Predict, with a reason, how similar the four trees’ genome sequences will be.
Inheritance and cell division contribute to biological variation. (a) Draw and label one RNA nucleotide. (b) Distinguish mitosis from meiosis. (c) Explain how natural selection can produce antibiotic resistance in a bacterial population.
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