During egg cell reproduction in a human female, the 21st pair of chromosomes may fail to separate. this failure to separate is known as

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

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.