Mutations can produce a beneficial change in an organism after many generations. True or False

in 1972 the fluid—mosaic membrane model of membrane structure was proposed based on thermodynamic principals of organization of membrane lipids and proteins and available evidence of asymmetry and lateral mobility within the membrane matrix [s. j. singer and g. l. nicolson, science 175 (1972) 720–731].

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?