Name two processes that happen during meiosis which result in genetic recombination so that the 4 daughter cells have different DNA from each other and from the parent cell.
Understand the Problem
The question is asking for two specific processes that occur during meiosis which lead to genetic recombination, ensuring that the resulting daughter cells have different DNA from each other and from the parent cell.
Answer
Crossing over and independent assortment
The final answer is crossing over and independent assortment.
Answer for screen readers
The final answer is crossing over and independent assortment.
More Information
Crossing over occurs during prophase I, where homologous chromosomes exchange genetic material. Independent assortment happens during metaphase I, where chromosomes are distributed randomly into gametes.
Tips
Students often confuse crossing over with other recombination methods. Remember that independent assortment refers to the random distribution of chromosomes.
Sources
- Replication and Distribution of DNA during Meiosis - Nature - nature.com
- Genetics, Meiosis - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Meiosis | Cell division | Biology (article) - Khan Academy - khanacademy.org
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