Interpret the following examples of chromosome karyotypes.
a) 47,XX,+mar.
b) 45,XY,der(13;14)(q10:q10) .
c) 46,XX,del(15)(q11q13).
d) 46,XY,t(3;17)(q26q23)

Question

Quizplus · Accepted Answer

The Answer is a) A cell from a female that contains a marker chromosome (an extra unidentified chromosome)
b) A male carrier of a Robertsonian translocation that has arisen via breakpoints on the short arms of chromosomes 13 and 14 (q0 is not a chromosome band; it means the centromere).
c) A female with an interstitial deletion on the long arm of chromosome 15 with breakpoints at q11 and q13.
d) A male with a balanced reciprocal translation with breakpoints at 3q26 and 17q23.

Interpret the Following Examples of Chromosome Karyotypes