Scale is a proportion between two sets of measurements. For example, 1 centimeter on a map might represent 1 kilometer in actual distance. The diagram above on this page is a model of chromosomes,
DNA, and genes. Are all components of the model shown at the same scale? Explain your answer.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.