Hey everyone! I’m a new grad student in genetics and don’t remember college stats from undergrad and I don’t take research stats in grad school till next semester. I’m currently writing a proposal for a fellowship and need help doing a power analysis for how many samples I need. Basically I want to do a GWAS to discover a suspected single gene recessive trait in a population. A case-control study. The animals that are affected with the trait are obvious phenotypically.
How do I go about doing a power analysis to know how many case-controls I need that would generate a genome wide significant association? Thank you in advance for any help!
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