Which is the correct order of events that occur during conception?


ovulation, implantation, fertilization, zygote formation



ovulation, fertilization, zygote formation, implantation


fertilization, ovulation, implantation, zygote formation

fertilization, zygote formation, implantation, ovulation

Respuesta :

The correct order of events that occur during conception is the following: ovulation, fertilization, zygote formation, implantation. Ovulation occurs when an egg is released from your ovary.  Fertilization is the fusion of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The product is a diploid cell with 46 chromosomes, called zygote. The zygote has the right amount of DNA needed for normal human development.   Implantation is the stage of pregnancy at which the embryo adheres to the wall of the uterus.

The correct order of events that occur during conception is

  1. Ovulation
  2. Implantation
  3. Fertilization
  4. Zygote
  5. Formation

Fertilization

Fertilization is a complex sequence of coordinated molecular events that begins with the contact between a spermatozoon, male gamete and an oocyte, female gamete and ends with the mixing of maternal and paternal chromosomes forming a diploid cell (zygote) that in the metaphase of the first mitotic division transforms into the single-celled embryo.

With this information, we can conclude that fertilization follows an order of events for zygote generation.

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