________ is a genetic disorder in which an extra X chromosome is present, resulting in an XXY chromosomal pattern. While the internal reproductive organs and external genitalia develop normally, a male affected by this disorder will have smaller-than-normal testes and will not produce sperm.

Question

Quizplus · Accepted Answer

Klinefelter's syndrome is the genetic disorder where an individual has an extra X chromosome, resulting in an XXY chromosomal pattern. This leads to smaller-than-normal testes and the inability to produce sperm. The other options are different genetic disorders affecting reproductive development but do not result in an extra X chromosome.

________ Is a Genetic Disorder in Which an Extra X