The diagram below represents the six pairs of homologous chromosomes in a cell of a fruit fly before exposure to radiation (top row) and after exposure to radiation (bottom row). the appearance of the chromosomes in b indicates that exposure to radiation has caused:

image

a.

crossing over

b.
segregation & recombination

c.

chromosomal mutations

d.
non-disjunction

download the app called socratic on your phone

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added