Studies have indicated a genetic link between a chromosome abnormality and acute myeloid leukemia, a deadly cancer affecting white blood cell production. Many sufferers of the cancer also possess monosomy 7, which is passed along generations in their families and also corresponds with the incidence of cancer in its members. What would you notice on a karyotype taken from a family with a trend of genetic-linked acute myeloid leukemia?
A)Seven copies of each chromosome
B)Three copies of each chromosome
C)Only one copy each of the 7ᵗʰ and the 21ˢᵗ chromosome
D)Only one copy of the 7ᵗʰ chromosome

Question

Quizplus · Accepted Answer

Individuals with monosomy 7, which is linked to acute myeloid leukemia, possess only one copy of the 7th chromosome. Therefore on a karyotype taken from a family with a trend of genetic-linked acute myeloid leukemia, you would notice only one copy of the 7th chromosome.

Studies Have Indicated a Genetic Link Between a Chromosome Abnormality