Question

unit 2 exam 2025 - 26
a genetic rearrangement often occurs during meiosis that increases genetic variation in offspring. what is this event during meiosis?
○ spontaneous mutations; during metaphase i
○ independent assortment; during metaphase i.
○ crossing over; during prophase i
○ separation of chromosomes; during anaphase i

Explanation:

Crossing - over is a genetic rearrangement in meiosis. It occurs during prophase I when homologous chromosomes exchange genetic material, increasing genetic variation in offspring.

Answer:

crossing over; during prophase I