Parents that are heterozygous for having freckles (dominant) are crossed. Which correctly describes their offspring? Twenty-five percent have freckles. Twenty-five percent are Ff. Seventy-five percent have freckles. Seventy-five percent are Ff.

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?