Biology

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What are key events occurring during meiosis 1, prophase 1?

A - The development might not reach birth.
B - Crossing over and chistama(regions where cross overs occur). Spindle begin to expand, and condensation continues.
C - Fragment of a chromosome is lost/misplaced.
D - A zygote with an uncommon number a specific chromosome due to the unification of a normal and aberrant gametes.

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Biology A59 Question (18/20)

Centrosomes, chiastamata, spindles, sister chromatids, fragments of nuclear envelope, and homologous chromosome are components involved during cell division in meiosis 1 prophase.

What are key events occurring during meiosis 1, prophase 1?

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