How is a cell membrane different than a cell wall

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.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is the approximate time of death of the body temperature is 29.4 degrees celsius