what is a karyotype? what is it used for?
Best Answer: A karyotype is a visual diagram of a person's chromosomes. It can be used to determine if a baby will have a genetic disorder or what specific genetic disorder a person has or will have. In pedigrees for autosomal genes, each parent has two alleles for a trait, for example, two letters in their genotype (Pp or PP or pp).
Best Answer: The purpose of Karyotyping (chromosomal analysis) is diagnosis of chromosomal disorders such as Down syndrome (three copies of chr.21 instead of 2) , Klinfelter’s Syndrome (one extra X chromosome) or Turner syndrome (missing or truncated X chromosome). It can be used to study mental retardation of unknown origins and drug resistance in cancers . Abnormal karyotypes were found in some individuals with autism and smokers.