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Question
Biology
Posted 6 months ago
What two events that occur in melosis I lead to the genetic diversity of sexually reproducing organisms?
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Answer from Sia
Posted 6 months ago
Answer
The two events that occur in meiosis I that lead to genetic diversity are crossing over and independent assortment.
Solution
a
Crossing over: This is a process where homologous chromosomes exchange genetic material during prophase I of meiosis
b
Independent assortment: This refers to the random orientation of homologous chromosome pairs at the metaphase plate during metaphase I, leading to different combinations of chromosomes in the daughter cells
Key Concept
Genetic diversity in meiosis I is primarily introduced through crossing over and independent assortment.
Explanation
Crossing over creates new combinations of alleles on the same chromosome, while independent assortment leads to the production of gametes with various combinations of maternal and paternal chromosomes.

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