Why does mitosis need to occur? a) it is where all organisms reproduce and repair tissues by creating new cells with half of the dna that was found in the parent cell. b) it is where multi-celled organisms reproduce by creating new cells with twice the dna that was found in the parent cell. c) it allows single-celled organisms to reproduce, and other organisms to repair damaged tissues and grow. d) it allows single-celled organisms to reproduce and for other organisms to obtain the extra chromosomes needed for growth.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

All eukaryotic cells contain small bodies called