Final Answer:
No, heredity is not uniparental, and the concept of a homunculus pre-formed in sperm and "planted" in the female is a historical misconception. Modern understanding of genetics rejects the idea of a pre-formed miniature human (homunculus) within sperm. Heredity involves genetic material from both parents, contributing to the offspring's traits.
Step-by-step explanation:
The historical notion of a homunculus pre-formed in sperm and "planted" in the female has been discredited by modern genetics. Heredity is not uniparental; it involves the combination of genetic material from both the male and female gametes. Each parent contributes half of the genetic information to the offspring. The union of a sperm and an egg during fertilization results in a zygote with a complete set of chromosomes, representing a fusion of genetic material from both parents.
The misconception of a pre-formed homunculus is inconsistent with our current understanding of reproductive biology. Instead, fertilization is the process by which the genetic material from the sperm and egg combines to form a new individual. The zygote undergoes subsequent divisions, leading to the development of a complete organism. This process ensures that heredity involves a dual contribution from both parents, refuting the idea of a pre-existing homunculus.
In conclusion, the modern understanding of genetics and reproduction rejects the concept of a homunculus pre-formed in sperm. Heredity is a biparental process, with each parent contributing genetic material to the offspring during fertilization, leading to the formation of a new and unique individual.