Final answer:
Lamarckian inheritance, the idea of acquiring a property and passing it on, is not supported by scientific evidence. Genetic traits are determined by DNA and are passed down through reproduction. Acquired characteristics do not affect the genetic makeup of offspring.
Step-by-step explanation:
In biology, the concept you are describing is known as Lamarckian inheritance. Lamarck proposed that an organism could pass on acquired characteristics to its offspring. However, this concept is not supported by scientific evidence. The example you gave, where someone becomes hairy and warm-blooded and then their offspring becomes a mammal, does not align with our current understanding of genetics and inheritance.
Genetic traits are determined by the DNA sequence and are passed down from parents to offspring through the process of reproduction. Traits acquired during an individual's lifetime, such as hair color changes due to dyeing, do not affect the genetic makeup of their offspring.
In summary, while the idea of acquiring a property and passing it on to another property may seem intuitive, it is not scientifically supported. Inheritance is based on genetic information, not on acquired characteristics.