Textbooks challenged by new discovery about how cells divide Scientists have uncovered a surprising new way that giant embryonic cells divide—without relying on the classic “purse-string” ring long thought essential for splitting a cell in two. Studying zebrafi...

We're taught abt a full "drawstring" of actin causing the #cleavagefurrow of #cytokinesis in #mitosis. In animals w/ large amounts of yolk - #sharks, #birds, #reptiles - it's more complicated

Textbooks challenged by new discovery about how cells divide | ScienceDaily share.google/TtpwtUrQb9Nf...