In klinefelter syndrome, individuals are phenotypically male, but they have reduced sperm production and may have some breast development in adolescence. the cells of klinefelter individuals have two x chromosomes and one y (they are xxy instead of xy). this occurs because of what meiotic error?

List of options to choose from to complete the question:

A. Aneuploidy

B. Polyploidy

C. Translocation

D. Monosomy

E. Duplication

The CORRECT ANSWER IS A.

A. Aneuploidy.

Explanation:

Aneuploidy results from unusual number of chromosomes in a cell, e.g a human cell with 45 or 47 chromosomes other than 46.

It's mostly seen in Trisomy e.g. trisomy 21 (Down syndrome), trisomy 13 (Patau syndrome) and trisomy 18 (Edwards syndrome).

your answer is "the 1950's"

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.