development
The term that describes all the changes that take place during the life of an organism, including growth, is "development." It encompasses physical, cognitive, emotional, and social changes that occur from conception to death. This process involves the interaction of both genetic and environmental factors.
The series of changes that an organism undergoes during its lifetime is called its life cycle. This includes stages such as birth, growth, reproduction, and death. Each species has a unique life cycle.
Multicellular organisms, however, typically go through a process called development. During development, a single fertilized egg cell divides again and again to produce the many cells of mature organisms. As those cells divide, they change in shape and structure to form cells such as liver cells, brain cells, and muscle cells. This process is called differentiation, because it forms cells that look different from one another and perform different functions.
The number of chromosomes in the present offspring during cloning is the same as the parent organism, as the offspring inherits an exact genetic copy of the parent's DNA, including the same number of chromosomes.
Spontaneous changes in genetic material are called mutations. These changes can occur naturally during DNA replication or as a result of environmental factors such as radiation or chemicals. Mutations can affect an organism's traits and may contribute to genetic diversity in a population.
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