3.-Of the following human cells, which one has an endowment of 2n= 46? A) Spermatid.
B) Spermatogonium.
C) Secondary spermatocyte.
D) First polar body.
E) Second polar body.
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Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

What is a traditional chinese touch therapy involving finger pressure applied to specific areas of the body to restore the flow of qi.

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?