A brown mouse is crossed with a white mouse. In the first set of offspring, there are 8 brown mice and 9 white mice. The same pair is then crossed again. In the second set of offspring, there are 9 brown mice and 7 white mice. What are the parents’ genotypes most likely to be?
- Aheterozygous \times heterozygous
- Bhomozygous dominant \times heterozygous
- Chomozygous dominant \times homozygous recessive
- Dhomozygous recessive \times heterozygous