Question

what is a karyotype?

Answer 1

It is the number and appearance of a person's chromosomes. I can attach a picture for you.

Answer 2

karyotype is used find the find the number of chromosomes. it is also used to find chromosomal abberations(in terms of number and size).
basically it is obtained by staining the cellular contants with suitable stains (giemsa satin etc....)

Answer 3

A karyotype (Greek karyon = kernel, seed or nucleus) is the number and appearance of chromosomes in the nucleus of a eukaryotic cell. The term is also used for the complete set of chromosomes in a species, or an individual organism.[1][2][3]

http://en.wikipedia.org/wiki/Karyotype read the whole explanation here