In humans, gender is determined by the 23rd pair of chromosomes. xx results in females, whereas xy results in males. what fraction of a male's sperm would be expected to bear an x chromosome?

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.