Biology questions, a thread

Screenshot 2023-09-24 at 12.46.09 PM
answer: D
Screenshot 2023-09-24 at 12.47.14 PM
answer: C
I choosed A, I cannot understand how C could be the answer.

Question 1)
Short tandem repeats are useful for DNA profiling, in option D) the sequence “ATTCGTG” repeats

Question 2)
option A) happens during fertilization, after meiosis of both gametes is complete
option B) happens in mitosis and in meiosis II
option C) happens in meiosis I only, according to independent assortment
option D) happens before mitosis/meiosis

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