The discovery of that genes can be inserted or tiedinto an other dna molecule using a ligase enzyme
Sperm are produced in the testes and are transported through the reproductive ducts. these ducts include the epididymis, vas deferens, ejaculatory duct and urethra
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To get this concept you need to understand natural selection. This is where nature favors those with better adaptations for survival. Certain species help others get things for survival e.g food. As natural selection goes on, these organisms depend more on the symbiosis for survival because natural selection favored those traits over others.
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- Hannah ❤
