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Biology, 10.08.2019 05:10 Isabella1319

Below are three statements. classify them as examples of independent orientation, crossing over, or random fertilization.
i: the formation of a zygote from an egg and a sperm is an unpredictable event.
ii: random combinations of paternal and maternal chromosomes end up in gametes.
iii: an allele on the paternal chromosome 18 ends up on the maternal chromosome 18.
a) i: random fertilization; ii: random fertilization; iii: independent orientation
b) i: random fertilization; ii: crossing over; iii: independent orientation
c) i: independent orientation; ii: random fertilization; iii: crossing over
d) i: random fertilization; ii: independent orientation; iii: crossing over

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