Answer:
devlopment/ Evolution
Step-by-step explanation:
All organisms inherit the genetic information specifying their structure and ... so the genetic material must be replicated and passed from parent to progeny cell at ... trait is determined by a pair of inherited factors, which are now called genes. ... of animals, particularly the genetic analysis of development and differentiation.
Evolution consists of changes in the heritable traits of a population of organisms as successive generations replace one another.