Genesis: Jacob’s Flocks Increase
Jacob asks Laban if he could return to the home his father now that he has finished the work agreed upon to marry Laban’s daughters. Laban does not wish to let Jacob leave because Jacob’s hard work has made him wealthy. Laban attempts to persuade Jacob to stay by asking him to name his price. Jacob states that he will agree to tend Laban’s flocks but he will keep all the speckled and spotted sheep and goats along with all the black lambs. Laban agrees because these coats were uncommon, but to ensure none were present in his flock he gave all that he found to his sons before Jacob could breed them. Jacob has a few tricks up his sleeve though. He takes rods of poplar and almond and plane, and peels them so they are spotted. Then, he has the strongest of the flock mate in front of these rods so they have offspring with spots and streaks. His flock grew, and he became wealthy. With his wealth, Jacob bought slaves, camels, and donkeys.
Jacob’s actions are warranted; Laban has been unfair to him by continuously changing their agreement. The only criticism is the explanation for how he bred spotted and speckled sheep and goats. It was not the fulfilled promise of superstition that bore him his desired flock, instead it can be understood through genetics. The population would have already carried recessive genes that gave the chance for spotted offspring. Through artificial selection, which is what Jacob did unknowingly, he was able to produce a strong heard of spotted and speckled sheep and goats.
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