A karyotype of an individual with mild mental retardation shows three copies of the X chromosome.If this individual decides to have children,how is her chromosomal abnormality likely to affect her offspring?

Question

Quizplus · Accepted Answer

A female with three X chromosomes (a condition known as Triple X syndrome) will produce eggs through meiosis, during which chromosomes are divided. In her case, some eggs will receive two X chromosomes and others will receive one X chromosome, leading to half of her eggs having an extra X chromosome.

A Karyotype of an Individual with Mild Mental Retardation Shows