Compare mitosis, growth, meiosis and differentiation in gametogenesis, including unequal cytoplasm and product numbers.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2022–2026.
A testicular germ-cell lineage produces mature sperm. Which order correctly summarizes the main stages? A. Differentiation, meiosis I, mitotic multiplication B. Mitotic multiplication, meiosis I and II, differentiation C. Meiosis II, mitotic multiplication,…
A diploid primary spermatocyte in a mammal contains 40 chromosomes. After normal meiosis and differentiation, what is produced? A. Two sperm cells with 40 chromosomes each B. Four sperm cells with 20 chromosomes each C. Four sperm cells with 40 chromosomes…
Which sequence summarizes the main stages leading from germ-line precursors to differentiated gametes? A. Differentiation → meiosis → growth → mitosis B. Mitosis → growth → meiosis → differentiation C. Meiosis → mitosis → differentiation → growth D. Growth →…
Which feature distinguishes human oogenesis from spermatogenesis? A. Meiotic cytokinesis partitions cytoplasm unequally B. It produces four equal functional gametes per primary cell C. It never includes meiosis D. Its final cells are diploid
Which process is shared by typical human spermatogenesis and oogenesis? A. Each meiotic precursor ultimately forms four equal-sized functional gametes B. Each begins with a population of germline precursor cells increased by mitosis C. Each pauses at prophase…
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