APB Unit 5 chromosomal mutations and karyotypes matching

duplication

part of a chromosome is copied

deletion

part of a chromosome is lost

inversion

part of a chromosome is flipped backwards

translocation

part of a chromosome is attached to a non-homologous chromosome

Trisomy 21

condition in which an individual has three number 21 chromosomes, resulting in Down syndrome

Trisomy 18

condition when an individual has three number 18 chromosomes, resulting in Edwards syndrome

Monosomy X (Turner Syndrome)

produces X0 females, who are sterile; it is the only known viable monosomy in humans

Klinefelter syndrome

A chromosomal disorder in which males have an extra X chromosome, making them XXY instead of XY.