After fertilisation, the zygote undergoes a series of rapid mitotic divisions without overall growth, called
Correct answer: C. cleavage
- A. meiosis
- B. gastrulation
- C. cleavage
- D. implantation
Explanation
Cleavage divides the zygote into a ball of smaller cells as it travels down the oviduct, forming the morula and then the blastocyst. Meiosis makes gametes, and implantation happens later, once the blastocyst reaches the uterus.
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About Human Reproductive System
The human reproductive system includes the male and female organs that produce gametes, secrete sex hormones and support fertilization and development. Questions cover the testes, ovaries, reproductive ducts, menstrual and ovarian cycles, ovulation, fertilization, implantation, placenta formation and the roles of FSH, LH, oestrogen, progesterone and testosterone.
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