cell/organism with paired chromosomes, one from each parent

 organism/cell having only one complete set of chromosomes,half the normal diploid number

same sequence of genes but not same alleles

a chromosome that is not an allosome (a sex chromosome)

a chromosome involved with determining the sex of an organism

genetic disorder, a person has 3 copies of a chromosome instead of 2

 form of aneuploidy with the presence of only one chromosome from a pair

 diagram or photograph of the chromosomes of a cell arranged

 number&appearance of chromosomes in the nucleus of a eukaryotic cell

small DNA molecule within a cell 

image on an x-ray film or nuclear emulsion

 exchange of genetic material between homologous chromosomes

any cell of the body except sperm and egg cells

mature haploid male/ female germ cell, is able to unite w/ another of the opposite sex in sexual reproduction

 failure of homologous chromosomes or sister chromatids to separate properly

process where cells divide to produce 4 haploid cells

medical procedure used in prenatal diagnosis of chromosomal abnormalities&fetal infections

 used to diagnose certain birth defects and genetic abnormalities in your baby

(of homologous chromosomes) associated in pairs