Gene is the practice of inserting a functional gene into an organism with a non-functional gene in hopes of eliminating or reducing the effects of a disease. * a) cloning b) sharing c) therapy d) relocation

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above