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umidontremember t1_j6aqje2 wrote on January 28, 2023 at 11:58 PM

Reply to comment by scummy_shower_stall in California zoo clones critically endangered horse using 42-year-old DNA by speckz

Not frozen sperm. A stallions DNA was frozen 42 years ago. Sperm would have half the chromosomes, this horse would not be a clone, and the stallion that had its DNA frozen 42 years ago would be its father, providing only half of the DNA.