In Which Stage of Meiosis I Does the Crossing-Over of Nonsister

question 17

Multiple Choice

In which stage of meiosis I does the crossing-over of nonsister chromatids of homologous chromosomes occur?

• A) interphase
• B) prophase
• C) anaphase
• D) telophase
• E) metaphase

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Definitions:

Mind Wandering

A cognitive process of thoughts shifting away from a task towards unrelated concerns or fantasies, often occurring unconsciously.

Circadian Rhythm

The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.

Biological Clock

An internal mechanism that regulates physiological and behavioral functions on a cyclical basis, such as sleep and wakefulness.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness cycles.