Clone

Genetically identical copy of an organism

Chromosome:

a structure that consist of DNA and associated proteins, carries part of a cells genetic information. 

Sister Chromatids:

one of two attached DNA molecules of a duplicated eukaryotic chromosome

Centromere

constricted region in a eukaryotic chromosome where sister chromatids are attached.

Histones

type of protein that structurally organizes eukaryotic chromosomes

Nucleosome

 a length of DNA wound around a spool of histone proteins.

Chromosome #

 The sum of all chromosomes in a cell of a given type. 

Diploid

having two of each type of chromosome characteristic of the species (2n)

Karyotype

mage of an individuals complement of chromosomes arranged by size, length, shape, and centromere location