What is it called when two chromosomes exchange dna segments

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Explain the difference between incomplete dominance and codominance

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f