Susan is making a model to represent a universe, a galaxy, and a star. She places a bowl inside a shoe box. She places a ball inside the bowl. What do the shoe box, bowl, and ball
represent? NO LINKS WILL MAKE THE BRAINLEST

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?