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Crossing-over and Independent Assortment.

2007-01-07 01:37:05 · answer #1 · answered by PIPI B 4 · 0 0

In biology, meiosis is the process that allows one diploid cell to divide in a special way to generate haploid cells in eukaryotes. The word "meiosis" comes from the Greek meioun, meaning "to make smaller," since it results in a reduction in chromosome number.

Meiosis is essential for sexual reproduction

Mitosis is the process by which a cell separates its duplicated genome into two identical halves. It is generally followed immediately by cytokinesis which divides the cytoplasm and cell membrane. This results in two identical daughter cells with a roughly equal distribution of organelles and other cellular components. Mitosis and cytokinesis together is defined as the mitotic (M) phase of the cell cycle, the division of the mother cell into two daughter cells, each the genetic equivalent of the parent cell.

Mitosis occurs exclusively in eukaryotic cells. In multicellular organisms, the somatic cells undergo mitosis, while germ cells — cells destined to become sperm in males or ova in females — divide by a related process called meiosis. Prokaryotic cells, which lack a nucleus, divide by a process called binary fission.

2007-01-07 02:25:21 · answer #2 · answered by Biofav 2 · 0 0

Meiosis is cell division for reproduction purposes.
Mitosis is cell division for cell growth and repair.

2007-01-07 02:28:18 · answer #3 · answered by confuesed2011 2 · 0 0

read about it at
http://learn.genetics.utah.edu/units/basics/tour/mitosis.swf

2007-01-07 02:23:24 · answer #4 · answered by Piguy 4 · 0 0

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