Reference for Chullin 137:23

אפילו בן פקועה דעלמא נמי

Do we say that each limb [of the progenitors] produces the identical limb [in the offspring], so that here it<span class="x" onmousemove="('comment',' I.e., the limb which corresponds to the forbidden limb of the male sire; or, according to Tosaf., of its progenitors, v. Maharam.');">¹³</span>

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