You are examining offspring (zygotes) of females that may have one or more copies of a recessive mutation in a maternally active segmentation gene. Which of the following zygotes will have a mutant phenotype: (1) A homozygous zygote that came from a heterozygous mother. (2) A heterozygous zygote that came from a heterozygous mother. (3) A heterozygous zygote that came from a homozygous mother. A. Choices 1 and 2. B.. Choices 2 and 3. C. All of these choices. D. Only choice 3.