A male has the genotype of BB for skin color and a phenotype of blue skinA female has a genotype of RR and a phenotype of red skin The bables that these two fish all have the genotype BR and have a purple skin

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse