Diff and similarties in mioses 1 an 2? and mitosis? please help?

Question

Diff and similarties in mioses 1 an 2? and mitosis? please help

Answer 1

Do you mean 'meiosis' by 'mioses'?

http://www.usoe.k12.ut.us/CURR/SCIENCE/s...

Look at that it gives good explanations of both.

Mitosis is basically the cell and DNA replication for growth and repair of cells whereas meiosis is the production of gametes and occurs in 2 stages: 1 and 2, resulting in 4 offspring cells, each containing the haploid (23) number of chromosomes.

For similarities, they're both DNA replication mechanisms and result in offspring cells.

Differences:

in mitosis, body cells or somatic/autosomes are produced and mitosis can occur anywhere in the body

in meiosis, s*x cells or gametes are produced. meiosis can only occur in the testes or ovaries.

Answer 2

Mitosis is cell division - a cell splitting into two

But im not sure what mioses 1 and 2 are sorry.

:)

Answer 3

let me first give the distinction between mitosis and meiosis:

mitosis is what we call "equational cell division" whereby the mother cell produces two daughter cells that have the same no. of chromosomes, same phenotype and genotype as that of the mother cell. so if the mother cell has 10 chromosomes, the daughter cells will have the same number of chromosomes after the cell division. its just like having a clone. on the other hand, meiosis is "inequational cell division" yielding 4 daughter cells from one mother cell, each daughter cell having half the number of chromosomes as the mother cell and having different genotypes and phenotypes. meiosis brings about variation in the offspring unlike mitosis which is just like cloning.

meiosis 1 and 2 go hand in hand in completing a whole meiotic cycle.  In Meiosis 1, there is a duplication of chromosomes followed by the division of the cell into 2 diploid (regular number of chromosome pairs) cells. In humans this first division would result in 2 cell bodies each containing 23 pairs of chromosomes or 46 chromosomes.

In Meiosis 2, there is another division, but this time without the duplication of chromosomes. So the resulting cell bodies would be haploid with only 23 chromosomes (not pairs) each. Examples would be sperm and ovum.

Excellent link with pictures:

http://www.biology.arizona.edu/cell_bio/...