Answer: The answer is A cell theory.
Explanation: For our cells to be as developed and complex as they are today a huge evolutional process was necessary. This process is explained in the cell theory
Given that a cell is undergoing meiosis, at the end of meiosis I, its number of chromosomes would be in half. Provided in the question that the cell in G1 has 40 chromosomes, at the end of meiosis I, there will be 20 chromosomes in each daughter cell. And each chromosome has two sister chromatids, then there will be 40 sister chromatids in each daughter cell.
<span>The autumnal equinox takes place on the same date in the southern hemisphere as the spring equinox, since the seasons are in "opposite" order as the calendar falls. In this case, the autumnal equinox would fall on March 21, since this is the date of the spring equinox in the northern hemisphere.</span>
Non-vascular and seedless vascular plants.
Search it on google search respiratory system it’ll show up