Question

use your class notes and the textbook link below to answer the following questions.
7.3 errors in meiosis
question 6
2 pts
a person who has the sex chromosomes xxy exhibits..
a trisomy
klinefelters syndrom
a nondisjunction mutation
all of the choices are accurate

Explanation:

1. Trisomy: Trisomy is a type of aneuploidy where there is an extra chromosome (three copies instead of two). In XXY, there are three sex chromosomes (two X and one Y), so it is a trisomy (trisomy of the sex chromosomes).
2. Klinefelter's Syndrome: Klinefelter's Syndrome is characterized by the presence of an extra X chromosome in males, resulting in the XXY karyotype. So a person with XXY has Klinefelter's Syndrome.
3. Nondisjunction Mutation: Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly during cell division (meiosis in this case). This can lead to aneuploidy like XXY. So XXY is a result of nondisjunction.

Since all the first three options are accurate descriptions of the XXY condition, the correct choice is "all of the choices are accurate".

Answer:

D. all of the choices are accurate (assuming the options are labeled A: a trisomy, B: Klinefelters syndrom, C: a nondisjunction mutation, D: all of the choices are accurate)