How many letters does the top answer for “the final stage of mitosis” have?

The most common answer is telophase (9 letters).

Crossword clue: the final stage of mitosis

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

telophase 9 letters wn-def

the final stage of mitosis

a final climactic stage 50% similar → apogee, culmination

the first stage of mitosis 50% similar → prophase

the second stage of mitosis 50% similar → metaphase