Answer to Question #112271 in Biology for damarius king

Question #112271
Describe the important stages in the life cycle of an animal such as a Boston Terrier that has a Diploid Dominant Life Cycle.
Expert's answer

The life cycles of a Boston Terrier include:

  • fertilization: a diploid embryo is formed via fusion of haploid egg cell and sperm cell inside the reproductive tract of a female.
  • prenatal development: development of the embryo with the formation of tissues and organs
  • birth: the emergence of a puppy from the female
  • postnatal growth and development: a puppy increases the body mass and adapts to the environment. This period is commonly called adolescence.
  • adulthood: an adult dog becomes independent and is ready to reproduce. Female dogs produce haploid eggs while males produce haploid spermatozoa. The reproduction period leads to fertilization and the formation of a new diploid zygote that develops into an embryo.
  • finally, the dog gets old, losses reproductive function, and dies.

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