How many copies of dna does meiosis end with?

In mitosis, the number of chromosomes is preserved and we end up with 46 chromosomes in the daughter cells. In meiosis, the number is halved and we end up with 23 total in each cell. The reason is because in a regular cell, 23 chromosomes come from the mother and the other 23 come from the father.

Explanation:

2

Explanation:

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.