Considering That Males Can Have Klinefelter (XXY)syndrome,XYY,and Normal XY Chromosomal

Multiple Choice

Considering that males can have Klinefelter (XXY) syndrome,XYY,and normal XY chromosomal combinations,and females can have Turner (XO) syndrome,poly-X (XXX,XXXX) ,and normal XX combinations,it is obvious that

A) maleness results from the presence of only one X chromosome.
B) maleness results from the absence of two or more X chromosomes.
C) maleness results from the minimal presence of one Y chromosome.
D) femaleness results from the presence of two or more X chromosomes.
E) sex determination is a delicate balance between X and Y chromosomes.