In some cows the genes for brown hair (B) and for white hair (W) are CO- DOMINANT. Cows with alleles for both brown and white hair, have both
brown and white hairs (BW). Predict the PHENOTYPIC ratios of a cross
between a brown cow and a white cow.

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

answer: strength i guess

explanation:

a. are