If an individual has genotype Dd, what are they?

A. Heterozygous dominant
B. Homozygous recessive
C. Dominant recessive
D. Homozygous dominant

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation